| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 418 | 
                                    
                                    27.5%
                                 | 
| 2 | NO | 869 | 
                                    
                                    57.1%
                                 | 
| Sysmiss | 234 | 
                                    
                                    15.4%
                                 |