| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | Never | 787 | 
                                                                 
                                    
                                    33.3%
                                 
                                                             | 
                                                        
                    
| 1 | Once or twice | 320 | 
                                                                 
                                    
                                    13.5%
                                 
                                                             | 
                                                        
                    
| 2 | A few times | 240 | 
                                                                 
                                    
                                    10.2%
                                 
                                                             | 
                                                        
                    
| 3 | Often | 140 | 
                                                                 
                                    
                                    5.9%
                                 
                                                             | 
                                                        
                    
| 7 | No experience | 849 | 
                                                                 
                                    
                                    35.9%
                                 
                                                             | 
                                                        
                    
| 9 | Don't know | 27 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    
| 998 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |