Table 3. Prevalence of Monthly Marijuana Use, by Age (1990 – 2005)

Year

Age

Age

Age

Age

Total

12-17

18-24

25-34

35+

1990
1,030,277
3,692,349
3,340,249
2,143,041
10,205,916
1991
874,363
3,713,701
2,704,804
2,428,493
9,721,360
1992
837,651
3,066,076
3,140,469
1,906,001
8,950,197
1993
1,043,150
3,141,534
2,504,469
2,302,858
8,992,012
1994
1,314,817
3,389,236
2,522,093
2,886,294
10,112,440
1995
1,828,063
3,325,929
2,424,477
2,263,991
9,842,460
1996
1,599,650
3,678,033
2,252,401
2,564,806
10,094,891
1997
2,115,914
3,556,906
2,098,683
3,337,095
11,108,598
1998
1,877,860
3,854,770
1,893,711
3,389,526
11,015,866
1999
1,675,613
4,049,183
1,802,007
2,931,661
10,458,464
2000
1,678,451
3,950,357
1,943,764
3,141,108
10,713,680
2001
1,889,091
4,711,489
2,216,395
3,305,040
12,122,015
2002
2,023,254
5,375,778
2,721,389
4,463,414
14,583,835
2003
1,991,946
5,448,261
3,033,129
4,301,974
14,775,311
2004
1,896,861
5,285,266
2,928,350
4,566,727
14,677,204
2005
1,728,265
5,469,642
3,018,693
4,340,777
14,557,377

Source: National Survey on Drug Use and Health; National Household Survey on Drug Abuse; Substance Abuse and Mental Health Services Administration (SAMHSA), Department of Health and Human Services.

 
 
  
 
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