| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 168 | 
                                    
                                    42.2%
                                 | 
| 2 | NO | 90 | 
                                    
                                    22.6%
                                 | 
| 98 | NO SABE | 1 | 
                                    
                                    0.3%
                                 | 
| Sysmiss | 139 | 
                                    
                                    34.9%
                                 |