| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 246 |
5.6%
|
| 2 | 1-2 times a week | 2967 |
67.4%
|
| 3 | 3-4 times a week | 976 |
22.2%
|
| 4 | more than 5 times a week | 214 |
4.9%
|
| Sysmiss | 61 |