| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 140 | 
                                    
                                    3.7%
                                 | 
| 2 | NO | 1160 | 
                                    
                                    30.9%
                                 | 
| 8 | NO SABE | 7 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 2450 | 
                                    
                                    65.2%
                                 |