| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 8064 |
83.6%
|
| 2 | once or twice in the past month | 797 |
8.3%
|
| 3 | about once a week | 263 |
2.7%
|
| 4 | 2 or 3 times a week | 121 |
1.3%
|
| 5 | almost every day | 306 |
3.2%
|
| 6 | every day | 99 |
1%
|
| Sysmiss | 12646 |