| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day | 788 |
3.8%
|
| 2 | At least once a week | 2139 |
10.3%
|
| 3 | Less than once a week | 3313 |
15.9%
|
| 4 | Not at all | 14550 |
69.9%
|
| 9 | Missing | 33 |
0.2%
|
| Sysmiss | 15353 |