| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 417 | 
                                    
                                    17.4%
                                 | 
| 1 | Rarely | 629 | 
                                    
                                    26.2%
                                 | 
| 2 | Often | 883 | 
                                    
                                    36.8%
                                 | 
| 3 | Always | 402 | 
                                    
                                    16.8%
                                 | 
| 8 | Refused | 3 | 
                                    
                                    0.1%
                                 | 
| 9 | Don’t know | 66 | 
                                    
                                    2.8%
                                 |