| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 386 | 
                                    
                                    28.3%
                                 | 
| 2 | NO | 553 | 
                                    
                                    40.5%
                                 | 
| Sysmiss | 425 | 
                                    
                                    31.2%
                                 |