| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 16 | 
                                    
                                    6.7%
                                 | 
| 2 | NO | 171 | 
                                    
                                    71.5%
                                 | 
| 98 | NO SABE | 6 | 
                                    
                                    2.5%
                                 | 
| Sysmiss | 46 | 
                                    
                                    19.2%
                                 |