| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 1220 | 
                                    
                                    89.4%
                                 | 
| 2 | NO | 79 | 
                                    
                                    5.8%
                                 | 
| Sysmiss | 65 | 
                                    
                                    4.8%
                                 |