| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 32 |
37.2%
|
| 2 | several days/week | 17 |
19.8%
|
| 3 | once/week | 16 |
18.6%
|
| 4 | once/month | 9 |
10.5%
|
| 5 | occasionally | 12 |
14%
|
| Sysmiss | 4579 |