| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 88 |
7.3%
|
| 2 | 5-6 days per week | 76 |
6.3%
|
| 3 | 1-4 days per week | 279 |
23.3%
|
| 4 | 1-3 days per month | 370 |
30.9%
|
| 5 | less than once a month | 380 |
31.7%
|
| 9 | Don't know | 6 |
0.5%
|
| Sysmiss | 1509 |