| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day | 64 |
3.4%
|
| 2 | At least once a week | 91 |
4.8%
|
| 3 | At least once a month | 32 |
1.7%
|
| 4 | Not at all | 197 |
10.3%
|
| Sysmiss | 1525 |
79.9%
|