| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 599 | 
                                    
                                    80.7%
                                 | 
| 1 | Yes | 141 | 
                                    
                                    19%
                                 | 
| 8 | DK | 2 | 
                                    
                                    0.3%
                                 |