Line chart of the number of drug law violations arrests with two lines: possession and sales/manufacturing violations, 1982-2007.

For drug sales/manufacturing violation arrests, the number of arrests began at 137,900 in 1982 then it increased to 441,200 in 1989. In 1990, the number decreased to 344,300. From 1991 to 1999, the number fluctuated dropping to 298,800. In 2000, it increased to 337,900 before it dropped to 322,200 in 2007.

For drug possession violation arrests, the number of arrests began at 538,100 in 1982 then it decreased to 515,200 in 1983. In 1984, it increased to 552,600 and fluctuated reaching 920,500 in 1989. In 1990, it decreased to 745,200 then it increased to 990,600 in 1994. After 1994, it continued to climb reaching a high of 1,559,100 in 2006. The number decreased to 1,519,000 in 2007.

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