| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 31 | 
                                    
                                    16%
                                 | 
| 2 | NO | 136 | 
                                    
                                    70.1%
                                 | 
| 98 | NO SABE | 3 | 
                                    
                                    1.5%
                                 | 
| Sysmiss | 24 | 
                                    
                                    12.4%
                                 |