| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 226 | 
                                    
                                    21.9%
                                 | 
| 2 | NO | 99 | 
                                    
                                    9.6%
                                 | 
| Sysmiss | 707 | 
                                    
                                    68.5%
                                 |