| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 566 | 
                                    
                                    51.2%
                                 | 
| 2 | NO | 13 | 
                                    
                                    1.2%
                                 | 
| Sysmiss | 527 | 
                                    
                                    47.6%
                                 |