| Value | Category | Cases | |
|---|---|---|---|
| 1979 | 3 |
0%
|
|
| 1980 | 10 |
0%
|
|
| 1981 | 22 |
0%
|
|
| 1982 | 43 |
0%
|
|
| 1983 | 76 |
0.1%
|
|
| 1984 | 133 |
0.1%
|
|
| 1985 | 130 |
0.1%
|
|
| 1986 | 415 |
0.4%
|
|
| 1987 | 242 |
0.2%
|
|
| 1988 | 507 |
0.5%
|
|
| 1989 | 544 |
0.5%
|
|
| 1990 | 764 |
0.8%
|
|
| 1991 | 1054 |
1%
|
|
| 1992 | 1040 |
1%
|
|
| 1993 | 1165 |
1.1%
|
|
| 1994 | 1461 |
1.4%
|
|
| 1995 | 1341 |
1.3%
|
|
| 1996 | 2397 |
2.4%
|
|
| 1997 | 1687 |
1.7%
|
|
| 1998 | 2460 |
2.4%
|
|
| 1999 | 2411 |
2.4%
|
|
| 2000 | 3123 |
3.1%
|
|
| 2001 | 3180 |
3.1%
|
|
| 2002 | 3497 |
3.4%
|
|
| 2003 | 3721 |
3.7%
|
|
| 2004 | 4417 |
4.3%
|
|
| 2005 | 3461 |
3.4%
|
|
| 2006 | 5238 |
5.2%
|
|
| 2007 | 4187 |
4.1%
|
|
| 2008 | 5392 |
5.3%
|
|
| 2009 | 5283 |
5.2%
|
|
| 2010 | 5742 |
5.6%
|
|
| 2011 | 5566 |
5.5%
|
|
| 2012 | 5887 |
5.8%
|
|
| 2013 | 6173 |
6.1%
|
|
| 2014 | 5735 |
5.6%
|
|
| 2015 | 5737 |
5.6%
|
|
| 2016 | 5153 |
5.1%
|
|
| 2017 | 16 |
0%
|
|
| 9997 | Inconsistent | 16 |
0%
|
| 9999 | Missing | 2262 |
2.2%
|