| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | No, would never do this | 115 | 
                                    
                                    9.6%
                                 | 
| 1 | No, but would do if had the chance | 179 | 
                                    
                                    14.9%
                                 | 
| 2 | Yes, once or twice | 57 | 
                                    
                                    4.8%
                                 | 
| 3 | Yes, several times | 409 | 
                                    
                                    34.1%
                                 | 
| 4 | Yes, often | 437 | 
                                    
                                    36.4%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don't know | 3 | 
                                    
                                    0.3%
                                 |