| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 90 | 
                                    
                                    9.8%
                                 | 
| 2 | No | 623 | 
                                    
                                    68%
                                 | 
| 9 | Don't know | 203 | 
                                    
                                    22.2%
                                 |