Oil and refined products account for 97 percent of Iraq's export earnings.

In 2003 timber accounted for only 3.5 percent of export earnings.

Others wanted to pay only a percentage of their annual export earnings.

Oil accounts for more than 95 percent of export earnings.

It now provided most of their export earnings as well.

In all, oil accounts for more than 95 percent of export earnings.

It accounts for a conservative 35 to 45 percent of export earnings.

They expected export earnings to increase to $23 billion in 2012-2013.

During the 1970s, foreign debt increased faster than export earnings.

Oil accounts for nearly all of the country's export earnings.