| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 188 | 
                                    
                                    20.5%
                                 | 
| 2 | No | 546 | 
                                    
                                    59.6%
                                 | 
| 9 | Don't know | 182 | 
                                    
                                    19.9%
                                 |