| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day | 992 |
3.3%
|
| 2 | At least once a week | 1926 |
6.4%
|
| 3 | Less than once a week | 2471 |
8.3%
|
| 4 | Not at all | 5513 |
18.4%
|
| 9 | Missing | 103 |
0.3%
|
| Sysmiss | 18893 |
63.2%
|