| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 124 | 
                                    
                                    27.9%
                                 | 
| 2 | NO | 269 | 
                                    
                                    60.4%
                                 | 
| Sysmiss | 52 | 
                                    
                                    11.7%
                                 |