| http://www.w3.org/ns/prov#value | - Between 2002 and 2007, youth rates declined significantly for illegal drugs in general (from 11.6 to 9.5 percent) and for marijuana, cocaine, hallucinogens, LSD, Ecstasy, prescription-type drugs used nonmedically, pain relievers, stimulants, methamphetamine, and the use of illegal drugs other than marijuana.
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