| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 21 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    
| -1 | Don't know | 14 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| 1 | Have done | 165 | 
                                                                 
                                    
                                    16.5%
                                 
                                                             | 
                                                        
                    
| 2 | Might do | 417 | 
                                                                 
                                    
                                    41.7%
                                 
                                                             | 
                                                        
                    
| 3 | Would never do | 383 | 
                                                                 
                                    
                                    38.3%
                                 
                                                             |