| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 56927 | 
                                    
                                    19.4%
                                 | 
| 2 | Once or twice a month | 61905 | 
                                    
                                    21.1%
                                 | 
| 3 | Once or twice a week | 75138 | 
                                    
                                    25.6%
                                 | 
| 4 | Almost every day | 56510 | 
                                    
                                    19.3%
                                 | 
| 5 | Every day | 42682 | 
                                    
                                    14.6%
                                 | 
| 7 | N/A | 173654 | |
| 8 | Invalid | 828 | |
| 9 | Missing | 17846 |