| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | Never | 799 | 
                                                                 
                                    
                                    66.6%
                                 
                                                             | 
                                                        
                    
| 1 | Only once | 155 | 
                                                                 
                                    
                                    12.9%
                                 
                                                             | 
                                                        
                    
| 2 | A few times | 147 | 
                                                                 
                                    
                                    12.3%
                                 
                                                             | 
                                                        
                    
| 3 | Often | 96 | 
                                                                 
                                    
                                    8%
                                 
                                                             | 
                                                        
                    
| 8 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 9 | Don’t know | 3 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             |