| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 1079 | 
                                    
                                    89.9%
                                 | 
| 1 | Less than once a month | 41 | 
                                    
                                    3.4%
                                 | 
| 2 | A few times a month | 29 | 
                                    
                                    2.4%
                                 | 
| 3 | A few times a week | 27 | 
                                    
                                    2.3%
                                 | 
| 4 | Every day | 17 | 
                                    
                                    1.4%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don't know | 7 | 
                                    
                                    0.6%
                                 |