| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 1439 |
65.6%
|
| 2 | weekly | 360 |
16.4%
|
| 3 | 2-3 times in a month | 252 |
11.5%
|
| 4 | every month | 79 |
3.6%
|
| 77 | don't know | 65 |
3%
|
| Sysmiss | 4459 |