| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 119 | 
                                    
                                    11.2%
                                 | 
| 2 | NO | 55 | 
                                    
                                    5.2%
                                 | 
| Sysmiss | 887 | 
                                    
                                    83.6%
                                 |