| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 206 | 
                                    
                                    20.5%
                                 | 
| 2 | NO | 443 | 
                                    
                                    44.1%
                                 | 
| Sysmiss | 355 | 
                                    
                                    35.4%
                                 |