| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 578 | 
                                    
                                    96.3%
                                 | 
| 2 | NO | 11 | 
                                    
                                    1.8%
                                 | 
| Sysmiss | 11 | 
                                    
                                    1.8%
                                 |