| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 16 |
29.6%
|
| 2 | several days/week | 17 |
31.5%
|
| 3 | once/week | 3 |
5.6%
|
| 4 | once/month | 7 |
13%
|
| 5 | occasionally | 11 |
20.4%
|
| Sysmiss | 4611 |