| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 196 | 
                                    
                                    44%
                                 | 
| 2 | NO | 41 | 
                                    
                                    9.2%
                                 | 
| Sysmiss | 208 | 
                                    
                                    46.7%
                                 |