| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 108 | 
                                    
                                    2.9%
                                 | 
| 2 | NO | 1196 | 
                                    
                                    31.8%
                                 | 
| 8 | NO SABE | 3 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 2450 | 
                                    
                                    65.2%
                                 |