| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 248 | 
                                    
                                    93.6%
                                 | 
| 2 | NO | 7 | 
                                    
                                    2.6%
                                 | 
| Sysmiss | 10 | 
                                    
                                    3.8%
                                 |