| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 453444 | 
                                    
                                    87.3%
                                 | 
| 2 | No | 64120 | 
                                    
                                    12.3%
                                 | 
| 9 | Not Stated | 1830 | 
                                    
                                    0.4%
                                 |