| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 22 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| -1 | Don't know | 31 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    
| 1 | Have done | 49 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    
| 2 | Might do | 353 | 
                                                                 
                                    
                                    23.1%
                                 
                                                             | 
                                                        
                    
| 3 | Would never do | 1073 | 
                                                                 
                                    
                                    70.2%
                                 
                                                             |