| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | Never | 403 | 
                                                                 
                                    
                                    16.8%
                                 
                                                             | 
                                                        
                    
| 1 | Sometimes | 817 | 
                                                                 
                                    
                                    34%
                                 
                                                             | 
                                                        
                    
| 2 | Often | 703 | 
                                                                 
                                    
                                    29.3%
                                 
                                                             | 
                                                        
                    
| 3 | Always | 445 | 
                                                                 
                                    
                                    18.5%
                                 
                                                             | 
                                                        
                    
| 8 | Refused | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 9 | Don’t know | 31 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             |