| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 1021 |
16.8%
|
| 2 | More than 4 times in a week | 509 |
8.4%
|
| 3 | 4 times in a week | 669 |
11%
|
| 4 | Less than 4 times in a week | 1025 |
16.9%
|
| 5 | Never | 2859 |
47%
|
| Sysmiss | 3777 |