| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 6 |
5.8%
|
| 2 | 5-6 days per week | 3 |
2.9%
|
| 3 | 1-4 days per week | 24 |
23.1%
|
| 4 | 1-3 days per month | 34 |
32.7%
|
| 5 | less than 1 time per month | 35 |
33.7%
|
| 88 | refused | 2 |
1.9%
|
| Sysmiss | 2387 |