| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1810 | 
                                    
                                    76.6%
                                 | 
| 1 | Yes | 550 | 
                                    
                                    23.3%
                                 | 
| 98 | Don't Know | 3 | 
                                    
                                    0.1%
                                 | 
| 99 | Refused | 1 | 
                                    
                                    0%
                                 |