| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 765 | 
                                    
                                    20.4%
                                 | 
| 2 | NO | 769 | 
                                    
                                    20.5%
                                 | 
| 8 | NO SABE | 8 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 2215 | 
                                    
                                    59%
                                 |