The National Survey on Drug Use and Health (NSDUH)
A national annual survey on tobacco, alcohol and drug use, and health-related issues. ~ 70,000 individuals are asked about their use of substances and their health. Within the context of criminal justice, respondents provide details about the extent of their use of illegal substances and DUI. Participants report whether they got into trouble with the law because of these activities. In the case of marijuana, respondents are also asked about their buying habits.
Source: samhsa.gov