| Value | Category | Cases | |
|---|---|---|---|
| 1 | Twice a week or more | 29 |
80.6%
|
| 2 | Once a week | 5 |
13.9%
|
| 3 | Once a month | 0 |
0%
|
| 4 | Hardly ever | 2 |
5.6%
|
| Sysmiss | 854 |