| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 160 |
13.8%
|
| 2 | 5-6 days per week | 61 |
5.3%
|
| 3 | 1-4 days per week | 211 |
18.2%
|
| 4 | 1-3 days per month | 386 |
33.3%
|
| 5 | less than once a month | 341 |
29.4%
|
| Sysmiss | 1503 |