| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 324 | 
                                    
                                    55.6%
                                 | 
| 2 | NO | 198 | 
                                    
                                    34%
                                 | 
| Sysmiss | 61 | 
                                    
                                    10.5%
                                 |