The percentage of illicit drug use in the past month among 12- to -17-year-olds:
Annual averages based on National Survey on Drug Use and Health from 2011 and 2012. Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically, including data from original methamphetamine questions but not including new methamphetamine items added in 2005 and 2006.
SOURCE: Substance Abuse and Mental Health Services Administration
Patrick Garvin/Globe Staff