| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 141 | 
                                    
                                    11.8%
                                 | 
| 1 | Sometimes | 232 | 
                                    
                                    19.3%
                                 | 
| 2 | Often | 506 | 
                                    
                                    42.2%
                                 | 
| 3 | Always | 273 | 
                                    
                                    22.8%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 48 | 
                                    
                                    4%
                                 |