| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 175 | 
                                    
                                    28.6%
                                 | 
| 2 | NO | 129 | 
                                    
                                    21.1%
                                 | 
| 98 | NO SABE | 5 | 
                                    
                                    0.8%
                                 | 
| Sysmiss | 302 | 
                                    
                                    49.4%
                                 |