| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 56 | 
                                    
                                    5.4%
                                 | 
| 2 | NO | 573 | 
                                    
                                    55.5%
                                 | 
| Sysmiss | 403 | 
                                    
                                    39.1%
                                 |