SAMHSA has several resources to answer these questions, including RDAS:
- Overview page that describes NSDUH reports:
https://www.samhsa.gov/data/data-we-collect/nsduh-national-survey-drug-use-and-health - First Findings Report 1:
https://www.samhsa.gov/data/sites/default/files/NSDUH-FFR1-2016/NSDUH-FFR1-2016.htm - First Findings Report 2:
https://www.samhsa.gov/data/sites/default/files/NSDUH-FFR2-2015/NSDUH-FFR2-2015.htm - 2015 Treatment Report:
https://www.samhsa.gov/data/sites/default/files/NSDUH-ServiceUseAdult-2015/NSDUH-ServiceUseAdult-2015/NSDUH-ServiceUseAdult-2015.htm - Detailed tables:
https://www.samhsa.gov/data/sites/default/files/NSDUH-DetTabs-2016/NSDUH-DetTabs-2016.htm