| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 205 | 
                                    
                                    19.9%
                                 | 
| 2 | NO | 85 | 
                                    
                                    8.2%
                                 | 
| Sysmiss | 742 | 
                                    
                                    71.9%
                                 |