I’m not up to date with the latest racial breakdowns, but 8% of the white population is many more people than 9% of the black population.
Off the top of my head I’d guess there’s 5 or 6 times more whites than blacks in the US.
“Im not up to date with the latest racial breakdowns, but 8% of the white population is many more people than 9% of the black population.”
So whites are under represented among drug users.