| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 4214 |
33.4%
|
| 2 | once or twice in the past month | 2867 |
22.8%
|
| 3 | about once a week | 1694 |
13.4%
|
| 4 | 2 or 3 times a week | 1231 |
9.8%
|
| 5 | almost every day | 1778 |
14.1%
|
| 6 | every day | 799 |
6.3%
|
| 99 | n/a | 17 |
0.1%
|
| Sysmiss | 9696 |