| value | category | cases | |
|---|---|---|---|
| 0 | No | 4839 |
65.7%
|
| 1 | Yes, took no drug | 2498 |
33.9%
|
| 8 | Don't know | 25 |
0.3%
|
| 9 | 5 | ||
| Sysmiss | 34153 |