| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than once a month | 156 |
5.1%
|
| 1 | 1-2 times per month | 487 |
15.9%
|
| 2 | Once per week | 585 |
19%
|
| 3 | 2-3 per week | 1376 |
44.8%
|
| 4 | (Almost) every day | 468 |
15.2%
|
| Sysmiss | 6017 |