| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day | 198 |
1.7%
|
| 2 | At least once a week | 882 |
7.7%
|
| 3 | Less than once a week | 1985 |
17.3%
|
| 4 | Not at all | 2577 |
22.5%
|
| 9 | Missing | 13 |
0.1%
|
| Sysmiss | 5797 |
50.6%
|