| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 249 | 
                                    
                                    28.8%
                                 | 
| 2 | NO | 425 | 
                                    
                                    49.1%
                                 | 
| Sysmiss | 191 | 
                                    
                                    22.1%
                                 |