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Marijuana Index

Percentage of high school seniors in 1982 who said that marijuana was “fairly easy” or “very easy” to get: 88.5 1

Percentage of high school seniors in 2000 who said that marijuana was “fairly easy” or “very easy” to get: 88.5 2

Percent change in number of new marijuana users since 1990: +64 3

Percentage of Americans over age 11 who have used marijuana or hashish at least once: 34.6 4

Number of Americans over age 11 who are current users of marijuana: 11.2 million 5

Estimated domestic consumption of marijuana: 1,009 metric tons 6

Average tetrahydrocannabinol content for commercial marijuana: 5.58 percent 7

Average THC level in sinsemilla: 13.55 percent 8

Highest concentration of THC ever found in confiscated marijuana: 33.12 percent 9

State where it was impounded: Oregon10

Year that Congress passed the Marijuana Tax Act, effectively criminalizing possession: 1937

Footnotes

1 Johnston, L.D.; O’Malley, P.M.; Bachman, J.G. Monitoring the Future National Results on Adolescent Drug Use; Overview of Key Findings, 2000. NIH 014923.

2 Ibid.

3 Office of Applied Studies, National Institute on Drug Abuse. National Household Survey on Drug Abuse, Section 2.4: number of new marijuana users in 1998 = 2.3m, number of new marijuana users in 1990 = 1.4m.

4 Ibid., Table G.6.

5 Ibid., Table G.5: number if past month users = 11,177,000.

6 Office of National Drug Control Policy, National Drug Control Strategy 2001 Annual Report., 176.

7 Ibid., 15.

8 Ibid., ibid.

9 Ibid., ibid.

10 Ibid., ibid.

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