| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | Never | 271 | 
                                                                 
                                    
                                    22.4%
                                 
                                                             | 
                                                        
                    
| 1 | Only sometimes | 269 | 
                                                                 
                                    
                                    22.3%
                                 
                                                             | 
                                                        
                    
| 2 | Often | 157 | 
                                                                 
                                    
                                    13%
                                 
                                                             | 
                                                        
                    
| 3 | Always | 36 | 
                                                                 
                                    
                                    3%
                                 
                                                             | 
                                                        
                    
| 9 | Don't know | 475 | 
                                                                 
                                    
                                    39.3%
                                 
                                                             | 
                                                        
                    
| 998 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |