| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 1675 |
38.1%
|
| 2 | once or twice in the past month | 653 |
14.8%
|
| 3 | about once a week | 471 |
10.7%
|
| 4 | 2 or 3 times a week | 419 |
9.5%
|
| 5 | almost every day | 863 |
19.6%
|
| 6 | every day | 318 |
7.2%
|
| 99 | n/a | 0 |
0%
|
| Sysmiss | 1056 |