Coca production in Colombia
In 2012, coca production in Colombia amounted to 0.2% of Colombia's overall GDP and 3% of Colombia's GDP related to the agricultural sector. The great majority of coca cultivation takes place in the departments of Putumayo, Caquetá, Meta, Guaviare, Nariño, Antioquia, and Vichada.
Source: Wikipedia — Coca production in Colombia (CC BY-SA 4.0)