| Value | Category | Cases | |
|---|---|---|---|
| 0 | not at all | 2879 |
19.3%
|
| 1 | less than once a week | 1139 |
7.7%
|
| 2 | at least once a week | 1940 |
13%
|
| 3 | almost every day | 8926 |
60%
|
| Sysmiss | 62 |