| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 75 | 
                                    
                                    21.1%
                                 | 
| 2 | NO | 219 | 
                                    
                                    61.5%
                                 | 
| Sysmiss | 62 | 
                                    
                                    17.4%
                                 |