| Value | Category | Cases | |
|---|---|---|---|
| Don't know | 588 | 
                                    
                                    20%
                                 | |
| No | 881 | 
                                    
                                    30%
                                 | |
| Refused | 145 | 
                                    
                                    4.9%
                                 | |
| Yes | 1323 | 
                                    
                                    45%
                                 |