| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. PER MONTH | 554 | 
                                                                 
                                    
                                    55.1%
                                 
                                                             | 
                                                        
                    
| 2 | 2. PER YEAR | 452 | 
                                                                 
                                    
                                    44.9%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 4041 |