| Value | Category | Cases | |
|---|---|---|---|
| 0 | I don't know what it is | 22 |
0.8%
|
| 1 | Never or almost never | 77 |
2.9%
|
| 2 | several times a week | 509 |
19.1%
|
| 3 | several times a month | 168 |
6.3%
|
| 4 | several times a day | 1882 |
70.8%
|
| Sysmiss | 1593 |