| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 306 | 
                                    
                                    68.8%
                                 | 
| 2 | NO | 17 | 
                                    
                                    3.8%
                                 | 
| Sysmiss | 122 | 
                                    
                                    27.4%
                                 |