| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 22 |
21.8%
|
| 2 | several days/week | 12 |
11.9%
|
| 3 | once/week | 19 |
18.8%
|
| 4 | once/month | 29 |
28.7%
|
| 5 | occasionally | 19 |
18.8%
|
| Sysmiss | 4564 |