| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 801 | 
                                                                 
                                    
                                    12.9%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 4619 | 
                                                                 
                                    
                                    74.7%
                                 
                                                             | 
                                                        
                    
| 98 | DK | 766 | 
                                                                 
                                    
                                    12.4%
                                 
                                                             | 
                                                        
                    
| 88 | NA | 2938 | |
| 99 | Missing | 4 |