| Value | Category | Cases | |
|---|---|---|---|
| 0 | 402472 | 
                                    
                                    77.5%
                                 | |
| 1 | 113688 | 
                                    
                                    21.9%
                                 | |
| 2 | 2145 | 
                                    
                                    0.4%
                                 | |
| 3 | 35 | 
                                    
                                    0%
                                 | |
| 9 | Not Stated | 1054 | 
                                    
                                    0.2%
                                 |