Line chart with 2 lines: the estimated number of drug arrests of juveniles (persons under age 18) and of adults (persons age 18 and older). The line representing the number of arrests of juveniles is much lower than the line representing the number of arrests of adults.

For adults, the estimated number of drug abuse violations began at 322,300 in 1970 and increased, reaching 1,693,100 in 2006.

For juveniles, the estimated number of drug abuse violations began at 93,300 in 1970 and fluctuated with a high of 167,200 as it decreased to 77,900 in 1983. After 1983, the number increased to a high of 213,200 in 1997. After 1997, it fluctuated with a low of 186,200 as it increased to 196,700 in 2006.

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