| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 136 |
2.7%
|
| 2 | Less than once a week | 361 |
7.2%
|
| 3 | 1-2 times a week | 1368 |
27.3%
|
| 4 | 3-4 times a week | 1369 |
27.3%
|
| 5 | 5-6 times a week | 792 |
15.8%
|
| 6 | Every day, for an hour at most | 248 |
4.9%
|
| 7 | Every day, for 1-2 hours | 504 |
10.1%
|
| 8 | Every day, for 3 hours or more | 235 |
4.7%
|
| Sysmiss | 18 |