| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 2278 |
37.4%
|
| 2 | More than 4 times in a week | 665 |
10.9%
|
| 3 | 4 times in a week | 529 |
8.7%
|
| 4 | Less than 4 times in a week | 1129 |
18.6%
|
| 5 | Never | 1484 |
24.4%
|
| Sysmiss | 3775 |