| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 3149 |
59.3%
|
| 2 | once or twice in the past month | 626 |
11.8%
|
| 3 | about once a week | 309 |
5.8%
|
| 4 | 2 or 3 times a week | 270 |
5.1%
|
| 5 | almost every day | 532 |
10%
|
| 6 | every day | 314 |
5.9%
|
| 99 | n/a | 108 |
2%
|
| Sysmiss | 147 |