| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 39 |
5.8%
|
| 2 | 5-6 days per week | 66 |
9.8%
|
| 3 | 1-4 days per week | 310 |
46.1%
|
| 4 | 1-3 days per month | 193 |
28.7%
|
| 5 | less than once a month | 65 |
9.7%
|
| Sysmiss | 1554 |