| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 280 | 
                                    
                                    25.3%
                                 | 
| 2 | NO | 8 | 
                                    
                                    0.7%
                                 | 
| Sysmiss | 818 | 
                                    
                                    74%
                                 |