| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 3086 |
70.1%
|
| 2 | once or twice in the past month | 479 |
10.9%
|
| 3 | about once a week | 295 |
6.7%
|
| 4 | 2 or 3 times a week | 240 |
5.5%
|
| 5 | almost every day | 204 |
4.6%
|
| 6 | every day | 98 |
2.2%
|
| 99 | n/a | 0 |
0%
|
| Sysmiss | 1053 |