| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 50 |
13.9%
|
| 1 | 1. monthly | 193 |
53.5%
|
| 2 | 2. weekly | 105 |
29.1%
|
| 3 | 3. daily | 13 |
3.6%
|
| Sysmiss | 1202 |