| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day | 2116 |
16%
|
| 2 | At least once a week | 2907 |
21.9%
|
| 3 | Seldom | 5664 |
42.7%
|
| 4 | Not at all | 2567 |
19.4%
|
| 9 | 14 | ||
| Sysmiss | 1641 |