| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day | 1430 |
12.1%
|
| 2 | At least once a week | 2365 |
19.9%
|
| 3 | Less than once a week | 2078 |
17.5%
|
| 4 | Not at all | 5975 |
50.4%
|
| 9 | Missing | 8 |
0.1%
|
| Sysmiss | 4658 |