| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | No, would never do this | 202 | 
                                    
                                    16.8%
                                 | 
| 1 | No, but would do if had the chance | 425 | 
                                    
                                    35.4%
                                 | 
| 2 | Yes, once or twice | 143 | 
                                    
                                    11.9%
                                 | 
| 3 | Yes, several times | 198 | 
                                    
                                    16.5%
                                 | 
| 4 | Yes, often | 229 | 
                                    
                                    19.1%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don't know | 3 | 
                                    
                                    0.3%
                                 |