| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 449 | 
                                                                 
                                    
                                    7.3%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 5730 | 
                                                                 
                                    
                                    92.6%
                                 
                                                             | 
                                                        
                    
| 98 | DK | 7 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 88 | NA | 2938 | |
| 99 | Missing | 4 |