| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 8 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| -1 | Don't know | 37 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    
| 1 | Have done | 327 | 
                                                                 
                                    
                                    21.4%
                                 
                                                             | 
                                                        
                    
| 2 | Might do | 789 | 
                                                                 
                                    
                                    51.6%
                                 
                                                             | 
                                                        
                    
| 3 | Would never do | 367 | 
                                                                 
                                    
                                    24%
                                 
                                                             |