| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 717 | 
                                    
                                    96.6%
                                 | 
| 1 | Yes | 22 | 
                                    
                                    3%
                                 | 
| 8 | DK | 3 | 
                                    
                                    0.4%
                                 |