| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 292 | 
                                    
                                    24.3%
                                 | 
| 1 | Once or twice | 17 | 
                                    
                                    1.4%
                                 | 
| 2 | A few times | 15 | 
                                    
                                    1.3%
                                 | 
| 3 | Often | 8 | 
                                    
                                    0.7%
                                 | 
| 7 | Not Applicable | 868 | 
                                    
                                    72.3%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don't Know | 0 | 
                                    
                                    0%
                                 |