| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 160 | 
                                    
                                    31.1%
                                 | 
| 2 | NO | 257 | 
                                    
                                    50%
                                 | 
| Sysmiss | 97 | 
                                    
                                    18.9%
                                 |