| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 2048 | 
                                    
                                    10.7%
                                 | 
| 2 | no | 6734 | 
                                    
                                    35.2%
                                 | 
| 3 | not applicable | 10366 | 
                                    
                                    54.1%
                                 | 
| Sysmiss | 3832 |