| Value | Category | Cases | |
|---|---|---|---|
| 1950 | 45 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 1952 | 7 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 1953 | 4 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 1954 | 5 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 1955 | 8 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 1956 | 5 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 1957 | 4 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 1958 | 19 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 1959 | 3 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 1960 | 67 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 1962 | 8 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 1963 | 12 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 1964 | 20 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 1965 | 24 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 1966 | 19 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 1967 | 12 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 1968 | 41 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 1969 | 12 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 1970 | 94 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 1971 | 7 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 1972 | 57 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 1973 | 26 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 1974 | 23 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 1975 | 52 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 1976 | 52 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 1977 | 18 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 1978 | 115 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 1979 | 38 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 1980 | 166 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 1981 | 37 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 1982 | 53 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 1983 | 66 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 1984 | 51 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 1985 | 116 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 1986 | 70 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 1987 | 77 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 1988 | 208 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 1989 | 67 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 1990 | 170 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 1991 | 45 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 1992 | 66 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 1993 | 97 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| 1994 | 58 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 1995 | 110 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 1996 | 80 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 1997 | 67 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 1998 | 383 | 
                                                                 
                                    
                                    3.5%
                                 
                                                             | 
                                                        
                    |
| 1999 | 179 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 2000 | 406 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 2001 | 136 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    |
| 2002 | 133 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    |
| 2003 | 272 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    |
| 2004 | 81 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 2005 | 190 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             | 
                                                        
                    |
| 2006 | 114 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 2007 | 107 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 2008 | 396 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    |
| 2009 | 146 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 2010 | 334 | 
                                                                 
                                    
                                    3%
                                 
                                                             | 
                                                        
                    |
| 2011 | 220 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 2012 | 252 | 
                                                                 
                                    
                                    2.3%
                                 
                                                             | 
                                                        
                    |
| 2013 | 423 | 
                                                                 
                                    
                                    3.8%
                                 
                                                             | 
                                                        
                    |
| 2014 | 379 | 
                                                                 
                                    
                                    3.4%
                                 
                                                             | 
                                                        
                    |
| 2015 | 435 | 
                                                                 
                                    
                                    3.9%
                                 
                                                             | 
                                                        
                    |
| 2016 | 365 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 2017 | 484 | 
                                                                 
                                    
                                    4.4%
                                 
                                                             | 
                                                        
                    |
| 2018 | 1000 | 
                                                                 
                                    
                                    9%
                                 
                                                             | 
                                                        
                    |
| 9999 | 9999. DON'T KNOW | 2230 | 
                                                                 
                                    
                                    20.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 10 |