Table: Estimated Daily Prevalence of Use of Various Drugs By US Youth In Grades 8, 10, and 12 Combined
Source
Johnston, L. D., O’Malley, P. M., Miech, R. A., Bachman, J. G., & Schulenberg, J. E. (2015). Monitoring the Future national survey results on drug use: 1975-2014: Overview, key findings on adolescent drug use. Ann Arbor: Institute for Social Research, The University of Michigan.