| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 128 | 
                                    
                                    36%
                                 | 
| 2 | NO | 178 | 
                                    
                                    50%
                                 | 
| Sysmiss | 50 | 
                                    
                                    14%
                                 |