| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 811 | 
                                    
                                    67.6%
                                 | 
| 1 | Only sometimes | 231 | 
                                    
                                    19.3%
                                 | 
| 2 | Often | 69 | 
                                    
                                    5.8%
                                 | 
| 3 | Always | 49 | 
                                    
                                    4.1%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 40 | 
                                    
                                    3.3%
                                 |