We have the numbers because the DEA tracks it. Why they didn't look into the numbers is beyond me. Manufacturer seems to have played a role too by sticking to

We have the numbers because the DEA tracks it. Why they didn't look into the numbers is beyond me. Manufacturer seems to have played a role too by sticking to dosing they knew was ineffective and then pushing for higher doses which lead to big bonuses: http://www.latimes.com/projects/oxycontin-part1/ http://www.latimes.com/projects/oxycontin-part1/