| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 239 | 
                                    
                                    23.8%
                                 | 
| 2 | NO | 99 | 
                                    
                                    9.9%
                                 | 
| Sysmiss | 666 | 
                                    
                                    66.3%
                                 |