| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 407 |
81.4%
|
| 2 | once or twice in the past month | 25 |
5%
|
| 3 | about once a week | 7 |
1.4%
|
| 4 | 2 or 3 times a week | 4 |
0.8%
|
| 5 | almost every day | 31 |
6.2%
|
| 6 | every day | 26 |
5.2%
|
| 99 | n/a | 0 |
0%
|
| Sysmiss | 4955 |