| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every day | 164 |
37.4%
|
| 2 | Once a week | 148 |
33.8%
|
| 3 | Twice a week | 92 |
21%
|
| 4 | Once a month | 34 |
7.8%
|
| Sysmiss | 3958 |