According to the US Government, Columbia's exports petroleum, coffee, coal, nickel, emeralds, apparel, bananas, and cut flowers.
According to thefreedicionary.com, oil replaced coffee as the nation's leading legal export in 1991. Cocaine is the major illicit export, accounting for about 25% of foreign exchange earnings.
However, I must be point out that cocaine does not generate income for the government (taxes are not collected to support education, infrastructure, or health care, etc.) or the general population since the majority of the income is kept in the hands of the people controlling the industry, so therefor it's commerce that doesn't benefit the country.
N Coffee is the principal export of Colombia.
Copper is the chief export of Zambia.
Colombia. It has 90% export of cocaine.
At this time, oil is Oman's chief export.
The largest legal export in Columbia is oil.
colombia
cheese
Colombia is a world leader in the export of coffee.
The countries that export oil are Venezuela and Colombia!
Brazil does export bananas but not as many as Ecuador, Costa Rica, the Philippines and Colombia.
Mekong Delta in Vietnam is known for production and export of rice. Rice was a important staple in the diets of the people of Vietnam.
Cambodia export timber,r\ rubber and rice