| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 3498 | 
                                    
                                    8.3%
                                 | 
| 2 | no | 36659 | 
                                    
                                    87%
                                 | 
| 3 | not applicable | 1973 | 
                                    
                                    4.7%
                                 | 
| Sysmiss | 45960 |