Value | Category | Cases | |
---|---|---|---|
0 | no | 49 |
0.6%
|
1 | yes: don't know which drug taken | 6380 |
77.5%
|
8 | don't know | 12 |
0.1%
|
9 | 7 |
0.1%
|
|
11 | .Z | 1784 |