| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 467 | 
                                    
                                    87.6%
                                 | 
| 2 | NO | 46 | 
                                    
                                    8.6%
                                 | 
| 98 | NO SABE | 5 | 
                                    
                                    0.9%
                                 | 
| Sysmiss | 15 | 
                                    
                                    2.8%
                                 |