| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 20846 | 
                                    
                                    4%
                                 | 
| 2 | No | 496612 | 
                                    
                                    95.6%
                                 | 
| 9 | Not Stated | 1936 | 
                                    
                                    0.4%
                                 |