| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 0 | Never | 532 | 
                                                                 
                                    
                                    44.3%
                                 
                                                             | 
                                                        
                    
| 1 | Rarely | 351 | 
                                                                 
                                    
                                    29.3%
                                 
                                                             | 
                                                        
                    
| 2 | Often | 144 | 
                                                                 
                                    
                                    12%
                                 
                                                             | 
                                                        
                    
| 3 | Always | 67 | 
                                                                 
                                    
                                    5.6%
                                 
                                                             | 
                                                        
                    
| 9 | Don't know | 105 | 
                                                                 
                                    
                                    8.8%
                                 
                                                             | 
                                                        
                    
| 998 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |