| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 60 | 
                                    
                                    67.4%
                                 | 
| 2 | No | 27 | 
                                    
                                    30.3%
                                 | 
| 8 | 2 | 
                                    
                                    2.2%
                                 | |
| Sysmiss | 3718 |