| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | Never | 2043 | 
                                                                 
                                    
                                    85.1%
                                 
                                                             | 
                                                        
                    
| 1 | Only once | 131 | 
                                                                 
                                    
                                    5.5%
                                 
                                                             | 
                                                        
                    
| 2 | A few times | 152 | 
                                                                 
                                    
                                    6.3%
                                 
                                                             | 
                                                        
                    
| 3 | Often | 65 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    
| 8 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 9 | Don’t know | 9 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             |