| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 203 | 
                                    
                                    14.9%
                                 | 
| 2 | NO | 630 | 
                                    
                                    46.2%
                                 | 
| Sysmiss | 531 | 
                                    
                                    38.9%
                                 |