| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 342 | 
                                    
                                    28.5%
                                 | 
| 1 | Rarely | 371 | 
                                    
                                    30.9%
                                 | 
| 2 | Often | 273 | 
                                    
                                    22.8%
                                 | 
| 3 | Always | 165 | 
                                    
                                    13.8%
                                 | 
| 8 | Refused | 1 | 
                                    
                                    0.1%
                                 | 
| 9 | Don’t know | 48 | 
                                    
                                    4%
                                 |