| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1266 | 
                                    
                                    96.8%
                                 | 
| 1 | Yes | 21 | 
                                    
                                    1.6%
                                 | 
| 8 | DK | 21 | 
                                    
                                    1.6%
                                 |