| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 24 | 
                                    
                                    5.4%
                                 | 
| 2 | NO | 401 | 
                                    
                                    90.1%
                                 | 
| 98 | NO SABE | 1 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 19 | 
                                    
                                    4.3%
                                 |