| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 123 | 
                                    
                                    3.3%
                                 | 
| 2 | NO | 1180 | 
                                    
                                    31.4%
                                 | 
| 8 | NO SABE | 4 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 2450 | 
                                    
                                    65.2%
                                 |