| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 6 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| 0 | Never | 462 | 
                                                                 
                                    
                                    38.5%
                                 
                                                             | 
                                                        
                    
| 1 | Rarely | 328 | 
                                                                 
                                    
                                    27.3%
                                 
                                                             | 
                                                        
                    
| 2 | Often | 308 | 
                                                                 
                                    
                                    25.7%
                                 
                                                             | 
                                                        
                    
| 3 | Always | 79 | 
                                                                 
                                    
                                    6.6%
                                 
                                                             | 
                                                        
                    
| 9 | Don't know | 17 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| 998 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |