| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 73 | 
                                    
                                    6.1%
                                 | 
| 1 | Once or twice | 121 | 
                                    
                                    10.1%
                                 | 
| 2 | A few times | 247 | 
                                    
                                    20.6%
                                 | 
| 3 | Often | 280 | 
                                    
                                    23.3%
                                 | 
| 7 | Not applicable | 479 | 
                                    
                                    39.9%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don't Know | 0 | 
                                    
                                    0%
                                 |