| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 23 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    
| -1 | Don't know | 14 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    
| 1 | Have done | 983 | 
                                                                 
                                    
                                    64.3%
                                 
                                                             | 
                                                        
                    
| 2 | Might do | 187 | 
                                                                 
                                    
                                    12.2%
                                 
                                                             | 
                                                        
                    
| 3 | Would never do | 321 | 
                                                                 
                                    
                                    21%
                                 
                                                             |