| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 1616 |
36.3%
|
| 2 | once or twice in the past month | 1291 |
29%
|
| 3 | about once a week | 524 |
11.8%
|
| 4 | 2 or 3 times a week | 389 |
8.7%
|
| 5 | almost every day | 478 |
10.7%
|
| 6 | every day | 156 |
3.5%
|
| 99 | n/a | 0 |
0%
|
| Sysmiss | 1001 |