| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1247 | 
                                    
                                    92.2%
                                 | 
| 1 | Yes | 47 | 
                                    
                                    3.5%
                                 | 
| 8 | DK | 58 | 
                                    
                                    4.3%
                                 |