| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 3007 |
17%
|
| 2 | once or less than than once a month | 3402 |
19.2%
|
| 3 | every other month | 2169 |
12.2%
|
| 4 | every month | 1788 |
10.1%
|
| 5 | every week | 2193 |
12.4%
|
| 6 | everyday | 5181 |
29.2%
|
| Sysmiss | 1539 |