| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 1073 |
17.6%
|
| 2 | More than 4 times in a week | 828 |
13.6%
|
| 3 | 4 times in a week | 922 |
15.2%
|
| 4 | Less than 4 times in a week | 1578 |
25.9%
|
| 5 | Never | 1682 |
27.7%
|
| Sysmiss | 3777 |