| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | Never | 302 | 
                                                                 
                                    
                                    25.2%
                                 
                                                             | 
                                                        
                    
| 1 | Sometimes | 580 | 
                                                                 
                                    
                                    48.3%
                                 
                                                             | 
                                                        
                    
| 2 | Always | 251 | 
                                                                 
                                    
                                    20.9%
                                 
                                                             | 
                                                        
                    
| 8 | Refused | 2 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 9 | Don’t know | 65 | 
                                                                 
                                    
                                    5.4%
                                 
                                                             |