| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 6726 |
36.9%
|
| 2 | once or less than than once a month | 2901 |
15.9%
|
| 3 | every other month | 1536 |
8.4%
|
| 4 | every month | 1356 |
7.4%
|
| 5 | every week | 2576 |
14.1%
|
| 6 | everyday | 3120 |
17.1%
|
| Sysmiss | 1064 |