A marijuana plant stands during a press presentation of a legal medicinal marijuana harvest in the La Florida municipality of Santiago, Chile, Tuesday, April 7, 2015. Planting, selling and transporting marijuana is usually illegal in Chile and carries prison terms of up to 15 years. But the law allows medical use of marijuana with the authorization of several ministries.

Marijuana Industry Slated To Add $44 Billion To US Economy

According to the estimates, earnings tied to the legal businesses could jump from $14 to $17 billion in 2016 to about $24 to $44 billion in the following four years.