| Value | Category | Cases | |
|---|---|---|---|
| 1 | once a month | 53 |
9.3%
|
| 2 | 2-3 days a month | 46 |
8.1%
|
| 3 | about once a week | 44 |
7.7%
|
| 4 | 2-3 days a week | 107 |
18.8%
|
| 5 | 4-6 days a week | 40 |
7%
|
| 6 | everyday | 181 |
31.9%
|
| 7 | not use in the past 30 days | 66 |
11.6%
|
| 8 | don?t know | 31 |
5.5%
|
| Sysmiss | 38214 |