| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 398 |
6.5%
|
| 2 | More than 4 times in a week | 238 |
3.9%
|
| 3 | 4 times in a week | 310 |
5.1%
|
| 4 | Less than 4 times in a week | 608 |
10%
|
| 5 | Never | 4528 |
74.4%
|
| Sysmiss | 3778 |