| Value | Category | Cases | |
|---|---|---|---|
| 1 | Everyday | 4759 | 
                                    
                                    36%
                                 | 
| 2 | A few times in a week | 1845 | 
                                    
                                    13.9%
                                 | 
| 3 | Once a week | 313 | 
                                    
                                    2.4%
                                 | 
| 4 | A few times in a month | 973 | 
                                    
                                    7.4%
                                 | 
| 5 | Once a month | 382 | 
                                    
                                    2.9%
                                 | 
| 6 | Never | 4954 | 
                                    
                                    37.5%
                                 | 
| Sysmiss | 4809 |