| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 6 | 
                                    
                                    0%
                                 | 
| 0 | Never | 10394 | 
                                    
                                    40.9%
                                 | 
| 1 | Once or twice | 3718 | 
                                    
                                    14.6%
                                 | 
| 2 | A few times | 3325 | 
                                    
                                    13.1%
                                 | 
| 3 | Often | 3565 | 
                                    
                                    14%
                                 | 
| 7 | No experience | 4203 | 
                                    
                                    16.5%
                                 | 
| 9 | Don't know | 186 | 
                                    
                                    0.7%
                                 | 
| 998 | Refused | 0 | 
                                    
                                    0%
                                 |