| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 87 | 
                                    
                                    2.3%
                                 | 
| 2 | NO | 24 | 
                                    
                                    0.6%
                                 | 
| Sysmiss | 3646 | 
                                    
                                    97%
                                 |