| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 37 | 
                                    
                                    4.6%
                                 | 
| 2 | NO | 361 | 
                                    
                                    44.5%
                                 | 
| Sysmiss | 414 | 
                                    
                                    51%
                                 |