Once Chile's only significant export, copper now makes up less than half the value of all exports.
Bananas, almost the only agricultural export, are grown on irrigated land.
They were the only exports of that country of darkness.
Their only export is dog food made from road-killed kangaroos.
Hell, about the only major export you could put your hands on from the U.S. anymore was food.
Until the exploitation of oil, the only exports were cattle and mules.
Britain's only unique export in this period is thought to be tin.
But apart from that, coffee is East Timor's only significant export.
Most devastating, the price of coffee, Nicaragua's only significant export, has fallen.
Today their only exports are raw materials and military hardware.