| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 866 | 
                                    
                                    72.2%
                                 | 
| 1 | Sometimes | 182 | 
                                    
                                    15.2%
                                 | 
| 2 | Often | 71 | 
                                    
                                    5.9%
                                 | 
| 3 | Always | 47 | 
                                    
                                    3.9%
                                 | 
| 9 | Don't know | 34 | 
                                    
                                    2.8%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 |