| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 4136 |
54.4%
|
| 1 | once a year | 271 |
3.6%
|
| 2 | a few times a year | 1921 |
25.3%
|
| 3 | every month | 686 |
9%
|
| 4 | every week | 593 |
7.8%
|
| Sysmiss | 87 |