| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 77 | 
                                    
                                    10.1%
                                 | 
| 2 | No | 685 | 
                                    
                                    89.5%
                                 | 
| 8 | 3 | 
                                    
                                    0.4%
                                 | |
| Sysmiss | 48 |