| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 16 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    
| -1 | Don't know | 88 | 
                                                                 
                                    
                                    8.8%
                                 
                                                             | 
                                                        
                    
| 1 | Have done | 21 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    
| 2 | Might do | 109 | 
                                                                 
                                    
                                    10.9%
                                 
                                                             | 
                                                        
                    
| 3 | Would never do | 766 | 
                                                                 
                                    
                                    76.6%
                                 
                                                             |