| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 4880 |
64.8%
|
| 1 | 1-2 times a month | 1649 |
21.9%
|
| 2 | 1-2 times a week | 803 |
10.7%
|
| 3 | 2-5 times a week | 178 |
2.4%
|
| 4 | everyday | 14 |
0.2%
|
| 99 | dont know | 4 |
0.1%
|
| Sysmiss | 166 |