| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yesterday | 1 |
4%
|
| 2 | In the past 7 days | 3 |
12%
|
| 3 | In the past 30 days | 3 |
12%
|
| 4 | In the past 90 days | 1 |
4%
|
| 5 | More than 90 days ago | 4 |
16%
|
| 6 | Stopped using altogether | 8 |
32%
|
| 98 | Don’t know | 5 |
20%
|
| Sysmiss | 2924 |