| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 123 |
69.5%
|
| 2 | Twice a week | 18 |
10.2%
|
| 3 | Once a week | 30 |
16.9%
|
| 6 | Others | 6 |
3.4%
|
| Sysmiss | 10739 |