| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 1158 |
81%
|
| 1 | 1. once a day | 53 |
3.7%
|
| 2 | 2. 2 or more times a day | 86 |
6%
|
| 3 | 3. once a week | 73 |
5.1%
|
| 4 | 4. once a month | 59 |
4.1%
|
| Sysmiss | 134 |