| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 224 |
8.5%
|
| 2 | 1-2 times a week | 1717 |
65.1%
|
| 3 | 3-4 times a week | 602 |
22.8%
|
| 4 | More than 5 times a week | 94 |
3.6%
|
| Sysmiss | 116 |