| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 229 | 
                                    
                                    21.6%
                                 | 
| 2 | NO | 110 | 
                                    
                                    10.4%
                                 | 
| Sysmiss | 722 | 
                                    
                                    68%
                                 |