| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 320 | 
                                    
                                    71.9%
                                 | 
| 2 | NO | 17 | 
                                    
                                    3.8%
                                 | 
| Sysmiss | 108 | 
                                    
                                    24.3%
                                 |