| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 494031 | 
                                    
                                    95.1%
                                 | 
| 2 | No | 24986 | 
                                    
                                    4.8%
                                 | 
| 9 | Not Stated | 377 | 
                                    
                                    0.1%
                                 |