| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 164 | 
                                    
                                    13.7%
                                 | 
| 1 | Rarely | 461 | 
                                    
                                    38.4%
                                 | 
| 2 | Often | 380 | 
                                    
                                    31.7%
                                 | 
| 3 | Always | 44 | 
                                    
                                    3.7%
                                 | 
| 8 | Refused | 1 | 
                                    
                                    0.1%
                                 | 
| 9 | Don’t know | 150 | 
                                    
                                    12.5%
                                 |