| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 936 |
65.5%
|
| 1 | 1. once a day | 96 |
6.7%
|
| 2 | 2. 2 or more times a day | 216 |
15.1%
|
| 3 | 3. once a week | 110 |
7.7%
|
| 4 | 4. once a month | 71 |
5%
|
| Sysmiss | 134 |