| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 12 | 
                                    
                                    0%
                                 | 
| 0 | Never | 11195 | 
                                    
                                    44.1%
                                 | 
| 1 | Less than once a month | 1711 | 
                                    
                                    6.7%
                                 | 
| 2 | A few times a month | 1842 | 
                                    
                                    7.3%
                                 | 
| 3 | A few times a week | 3284 | 
                                    
                                    12.9%
                                 | 
| 4 | Every day | 7202 | 
                                    
                                    28.4%
                                 | 
| 9 | Don't know | 151 | 
                                    
                                    0.6%
                                 | 
| 998 | Refused | 0 | 
                                    
                                    0%
                                 |