| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 260 | 
                                    
                                    44.6%
                                 | 
| 2 | NO | 29 | 
                                    
                                    5%
                                 | 
| Sysmiss | 294 | 
                                    
                                    50.4%
                                 |