| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 586 | 
                                    
                                    78.8%
                                 | 
| 1 | Yes | 155 | 
                                    
                                    20.8%
                                 | 
| 8 | DK | 3 | 
                                    
                                    0.4%
                                 |