| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yesterday | 3 |
5.6%
|
| 2 | In the past 7 days | 21 |
38.9%
|
| 3 | In the past 30 days | 19 |
35.2%
|
| 4 | In the past 90 days | 4 |
7.4%
|
| 5 | More than 90 days ago | 2 |
3.7%
|
| 6 | Stopped using altogether | 1 |
1.9%
|
| 98 | Don’t know | 4 |
7.4%
|
| Sysmiss | 2717 |