| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 291 | 
                                    
                                    81.7%
                                 | 
| 2 | NO | 3 | 
                                    
                                    0.8%
                                 | 
| Sysmiss | 62 | 
                                    
                                    17.4%
                                 |