| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 768 |
54.8%
|
| 1 | 1. once a day | 151 |
10.8%
|
| 2 | 2. 2 or more times a day | 351 |
25%
|
| 3 | 3. once a week | 96 |
6.8%
|
| 4 | 4. once a month | 36 |
2.6%
|
| Sysmiss | 161 |