| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 560 | 
                                    
                                    93.3%
                                 | 
| 2 | NO | 26 | 
                                    
                                    4.3%
                                 | 
| 98 | NO SABE | 3 | 
                                    
                                    0.5%
                                 | 
| Sysmiss | 11 | 
                                    
                                    1.8%
                                 |