| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 1330 | 
                                    
                                    32.3%
                                 | 
| 2 | NO | 959 | 
                                    
                                    23.3%
                                 | 
| 8 | NO SABE | 25 | 
                                    
                                    0.6%
                                 | 
| Sysmiss | 1808 | 
                                    
                                    43.9%
                                 |