| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 1035 | 
                                    
                                    25.1%
                                 | 
| 2 | NO | 1269 | 
                                    
                                    30.8%
                                 | 
| 8 | NO SABE | 10 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 1808 | 
                                    
                                    43.9%
                                 |