| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 1050 |
17.3%
|
| 2 | More than 4 times in a week | 704 |
11.6%
|
| 3 | 4 times in a week | 783 |
12.9%
|
| 4 | Less than 4 times in a week | 1537 |
25.3%
|
| 5 | Never | 2010 |
33%
|
| Sysmiss | 3776 |