Since the 1970s, the industry has grown to become the country's largest single source of export revenue.

These three products, which combined to produce export revenue of less than $100,000 in 1993, now account for over $3.8 million.

But small businesses only accounted for 32.8 percent or $308 billion of the total export revenue in 2009.

Agreement on agricultural trade alone could have brought an addition $11 billion in annual export revenue.

During the 1980s, gas sales accounted for $300 million a year in export revenues (56% of the total).

The most important source of export revenue, Western markets, were also depressed during the same time.

Ethiopia's flower industry has become a new source for export revenue.

In 1952, Brazil depended on coffee for 74 percent of its export revenues.

And that kept our export revenue over the past year flat at $150 million.

In 2006, Holden's export revenue was just under $1300 million.