| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 8 |
50%
|
| 2 | several days/week | 3 |
18.8%
|
| 3 | once/week | 2 |
12.5%
|
| 4 | once/month | 0 |
0%
|
| 5 | occasionally | 3 |
18.8%
|
| Sysmiss | 4649 |