| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 193 | 
                                    
                                    48.1%
                                 | 
| 2 | NO | 117 | 
                                    
                                    29.2%
                                 | 
| Sysmiss | 91 | 
                                    
                                    22.7%
                                 |