| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yesterday | 4 |
2.6%
|
| 2 | In the past 7 days | 11 |
7.2%
|
| 3 | In the past 30 days | 56 |
36.6%
|
| 4 | In the past 90 days | 21 |
13.7%
|
| 5 | More than 90 days ago | 11 |
7.2%
|
| 6 | Stopped using altogether | 18 |
11.8%
|
| 98 | Don’t know | 32 |
20.9%
|
| Sysmiss | 2421 |