Here S The Straight Dope
Not entirely. Dole gets his statistics from the National Household Survey on Drug Abuse, an annual government report released every August. The 1996 edition does show that marijuana use among teens shot up in the ’90s. The number who said they had smoked pot in the previous month rose from 4 percent in 1992 to 8.2 percent last year (though that’s still below 1979, when 11 percent of high-school seniors said they smoked pot every day)....