How many people go to rehab for marijuana a year in the us?

There are over 23.1 million people ages 12 and older that need treatment for drug or alcohol abuse. Only about 2.5 million receive treatment at specialty facilities due to lack of insurance. Approximately more than 1.5 million teens aged 15 to 17 are considered chemically dependent or addicted, and about 60 percent of youths aged 12 to 17 are using and abusing drugs or alcohol. Due to privacy policies it is difficult to obtain an exact number.