Americans and Canadians Spent $53.3 Billion on Marijuana Last Year

Flowering marijuana plants grow at the Smokey Point Productions facility in Arlington, Washington, U.S., on Thursday, Jan. 12, 2017. The increasing supply of legal marijuana is turning into a major buzz kill for growers as prices plunge -- and an opportunity for companies that can help cut production costs. Photographer: David Ryder/Bloomberg via Getty Images