| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 133 | 
                                    
                                    11.1%
                                 | 
| 1 | Once or twice | 42 | 
                                    
                                    3.5%
                                 | 
| 2 | A few times | 31 | 
                                    
                                    2.6%
                                 | 
| 3 | Often | 21 | 
                                    
                                    1.8%
                                 | 
| 7 | Not Applicable | 971 | 
                                    
                                    80.9%
                                 | 
| 8 | Refused | 1 | 
                                    
                                    0.1%
                                 | 
| 9 | Don't Know | 1 | 
                                    
                                    0.1%
                                 |