| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 774 | 
                                    
                                    64.5%
                                 | 
| 1 | Sometimes | 218 | 
                                    
                                    18.2%
                                 | 
| 2 | Often | 95 | 
                                    
                                    7.9%
                                 | 
| 3 | Always | 47 | 
                                    
                                    3.9%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 66 | 
                                    
                                    5.5%
                                 |