| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 167 | 
                                    
                                    16.6%
                                 | 
| 2 | NO | 51 | 
                                    
                                    5.1%
                                 | 
| Sysmiss | 786 | 
                                    
                                    78.3%
                                 |