All are so called "drug war" did was to slow the process down, but it still seems to be happening.
Logistic growth curve.
Logarithmic.
Do you have a link for that. My Mathematician friend would love it, he writes Pain articles, he has EDS a rare painful disease. He debunks the CDC all the time. https://www.painnewsnetwork.org/stories/2018/3/10/what-the-krebs-opioid-study-didnt-find