| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 98 | 
                                    
                                    27.5%
                                 | 
| 2 | NO | 10 | 
                                    
                                    2.8%
                                 | 
| Sysmiss | 248 | 
                                    
                                    69.7%
                                 |