| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 130 | 
                                    
                                    14.2%
                                 | 
| 2 | No | 584 | 
                                    
                                    63.8%
                                 | 
| 9 | Don't know | 202 | 
                                    
                                    22.1%
                                 |