| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 536 | 
                                                                 
                                    
                                    9.1%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 5336 | 
                                                                 
                                    
                                    90.9%
                                 
                                                             | 
                                                        
                    
| 98 | DK | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 88 | NA | 3249 | |
| 99 | Missing | 7 |