| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 279 |
8.1%
|
| 2 | 5 -6 days per week | 166 |
4.8%
|
| 3 | 1-4 days per week | 1350 |
39.4%
|
| 4 | 1-3 days per month | 1189 |
34.7%
|
| 5 | less than 1 time per month | 387 |
11.3%
|
| 88 | refused | 56 |
1.6%
|
| Sysmiss | 3799 |