| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 6762 | 
                                    
                                    1.3%
                                 | 
| 2 | No | 511028 | 
                                    
                                    98.4%
                                 | 
| 9 | Not Stated | 1604 | 
                                    
                                    0.3%
                                 |