| Value | Category | Cases | |
|---|---|---|---|
| 1 | once a month | 2 |
22.2%
|
| 2 | 2-3 days a month | 1 |
11.1%
|
| 3 | about once a week | 2 |
22.2%
|
| 4 | 2-3 days a week | 0 |
0%
|
| 5 | 4-6 days a week | 1 |
11.1%
|
| 6 | everyday | 3 |
33.3%
|
| 7 | not use in the past 30 days | 0 |
0%
|
| 8 | don?t know | 0 |
0%
|
| Sysmiss | 38773 |