| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 278 | 
                                    
                                    23.2%
                                 | 
| 1 | Once or twice | 130 | 
                                    
                                    10.8%
                                 | 
| 2 | A few times | 147 | 
                                    
                                    12.3%
                                 | 
| 3 | Often | 162 | 
                                    
                                    13.5%
                                 | 
| 7 | Not applicable | 479 | 
                                    
                                    39.9%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don't Know | 4 | 
                                    
                                    0.3%
                                 |