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Table 405. Percentage of 18- to 25-year-olds reporting use of illicit drugs, alcohol, and cigarettes during the past 30 days and the past year, by substance used: Selected years, 1982 through 2009
Year Percent reporting use during past 30 days Percent reporting use during past year
Illicit drugs Alcohol Cigarettes Illicit drugs Alcohol Cigarettes
Any1 Marijuana Cocaine Any1 Marijuana Cocaine
1 2 3 4 5 6 7 8 9 10 11
1982 (†) 27.2 (—) 7.0 (—) 66.6 (—) (†) (†) 37.4 (—) 15.9 (—) 80.6 (—) (†)
1985 25.3 (—) 21.7 (—) 8.1 (—) 70.1 (—) 47.4 (—) 37.4 (—) 34.0 (—) 13.6 (—) 84.2 (—) 49.9 (—)
1988 17.9 (—) 15.3 (—) 4.8 (—) 64.7 (—) 45.6 (—) 29.1 (—) 26.1 (—) 10.5 (—) 79.6 (—) 50.9 (—)
1990 15.0 (—) 12.7 (—) 2.3 (—) 62.8 (—) 40.9 (—) 26.1 (—) 23.0 (—) 6.5 (—) 78.1 (—) 45.1 (—)
1991 15.4 (—) 12.9 (—) 2.2 (—) 63.1 (—) 41.7 (—) 26.6 (—) 22.9 (—) 6.7 (—) 80.7 (—) 46.9 (—)
                                         
1992 13.1 (—) 10.9 (—) 2.0 (—) 58.6 (—) 41.5 (—) 24.1 (—) 21.2 (—) 5.5 (—) 75.6 (—) 46.8 (—)
1993 13.6 (—) 11.1 (—) 1.6 (—) 58.7 (—) 37.9 (—) 24.2 (—) 21.4 (—) 4.4 (—) 76.9 (—) 43.7 (—)
1994 13.3 (—) 12.1 (—) 1.2 (—) 63.1 (—) 34.6 (—) 24.6 (—) 21.8 (—) 3.6 (—) 78.5 (—) 41.1 (—)
1995 14.2 (—) 12.0 (—) 1.3 (—) 61.3 (—) 35.3 (—) 25.5 (—) 21.8 (—) 4.3 (—) 76.5 (—) 42.5 (—)
1996 15.6 (—) 13.2 (—) 2.0 (—) 60.0 (—) 38.3 (—) 26.8 (—) 23.8 (—) 4.7 (—) 75.3 (—) 44.7 (—)
                                         
1997 14.7 (—) 12.8 (—) 1.2 (—) 58.4 (—) 40.6 (—) 25.3 (—) 22.3 (—) 3.9 (—) 75.1 (—) 45.9 (—)
1998 16.1 (—) 13.8 (—) 2.0 (—) 60.0 (—) 41.6 (—) 27.4 (—) 24.1 (—) 4.7 (—) 74.2 (—) 47.1 (—)
1999 16.4 (0.40) 14.2 (0.38) 1.7 (0.12) 57.2 (0.54) 39.7 (0.47) 29.1 (0.48) 24.5 (0.46) 5.2 (0.21) 74.8 (0.48) 47.5 (0.52)
2000 15.9 (0.36) 13.6 (0.34) 1.4 (0.11) 56.8 (0.51) 38.3 (0.48) 27.9 (0.46) 23.7 (0.43) 4.4 (0.18) 74.5 (0.46) 45.8 (0.49)
2001 18.8 (0.41) 16.0 (0.39) 1.9 (0.13) 58.8 (0.50) 39.1 (0.47) 31.9 (0.48) 26.7 (0.48) 5.7 (0.23) 75.4 (0.41) 46.8 (0.48)
                                         
2002 20.2 (0.37) 17.3 (0.36) 2.0 (0.12) 60.5 (0.53) 40.8 (0.48) 35.5 (0.46) 29.8 (0.43) 6.7 (0.24) 77.9 (0.41) 49.0 (0.50)
2003 20.3 (0.40) 17.0 (0.46) 2.2 (0.13) 61.4 (0.50) 40.2 (0.47) 34.6 (0.48) 28.5 (0.46) 6.6 (0.23) 78.1 (0.41) 47.6 (0.46)
2004 19.4 (0.40) 16.1 (0.37) 2.1 (0.13) 60.5 (0.51) 39.5 (0.49) 33.9 (0.48) 27.8 (0.47) 6.6 (0.25) 78.0 (0.44) 47.5 (0.52)
2005 20.1 (0.40) 16.6 (0.37) 2.6 (0.15) 60.9 (0.51) 39.0 (0.47) 34.2 (0.47) 28.0 (0.45) 6.9 (0.23) 77.9 (0.43) 47.2 (0.48)
2006 19.8 (0.37) 16.3 (0.35) 2.2 (0.12) 61.9 (0.51) 38.4 (0.47) 34.4 (0.48) 28.0 (0.46) 6.9 (0.24) 78.8 (0.43) 47.0 (0.48)
                                         
2007 19.7 (0.39) 16.4 (0.37) 1.7 (0.12) 61.2 (0.52) 36.2 (0.48) 33.2 (0.48) 27.5 (0.46) 6.4 (0.24) 77.9 (0.45) 45.1 (0.49)
2008 19.6 (0.38) 16.5 (0.37) 1.5 (0.12) 61.2 (0.49) 35.7 (0.45) 33.5 (0.46) 27.6 (0.45) 5.5 (0.21) 78.0 (0.44) 45.0 (0.48)
2009 21.2 (0.40) 18.1 (0.37) 1.4 (0.11) 61.8 (0.52) 35.8 (0.48) 36.0 (0.47) 30.6 (0.46) 5.3 (0.20) 78.8 (0.42) 45.2 (0.51)
—Not available.
†Not applicable.
1 Includes other illegal drug use not shown separately.
NOTE: Marijuana includes hashish usage. Data for 1999 and later years were gathered using Computer Assisted Interviewing (CAI) and may not be directly comparable to previous years. Because of survey improvements in 2002, the 2002 data constitute a new baseline for tracking trends. Valid trend comparisons can be made for 1982 through 1998, 1999 through 2001, and 2002 through 2009. Standard errors appear in parentheses.
SOURCE: U.S. Department of Health and Human Services, Substance Abuse and Mental Health Services Administration, National Household Survey on Drug Abuse: Main Findings, selected years, 1982 through 2001, and National Survey on Drug Use and Health, 2002 through 2009. Retrieved May 25, 2011, from http://www.oas.samhsa.gov/WebOnly.htm#NSDUHtabs. (This table was prepared May 2011.)
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