| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 155 | 
                                    
                                    43.5%
                                 | 
| 2 | NO | 48 | 
                                    
                                    13.5%
                                 | 
| Sysmiss | 153 | 
                                    
                                    43%
                                 |