| Value | Category | Cases | |
|---|---|---|---|
| 0 | not at all | 380 |
47.3%
|
| 1 | less than once a week | 75 |
9.3%
|
| 2 | at least once a week | 74 |
9.2%
|
| 3 | almost every day | 275 |
34.2%
|
| Sysmiss | 1 |