| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 147 | 
                                    
                                    3.9%
                                 | 
| 2 | NO | 260 | 
                                    
                                    6.9%
                                 | 
| 8 | NO SABE | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 3349 | 
                                    
                                    89.1%
                                 |