Oil was discovered in Libya in 1958 and is about 95% of the country's export income.

China's influence on Australian export income is increasingly direct.

The country's mining industry accounts for some forty per cent of its export income.

Oil revenues totaled 40 percent of Mexico's export income last year.

The Soviets are most in need of energy development for export income.

As a result, countries that borrowed heavily from America had a difficult time generating sufficient export income to service their loans.

Costa Rica's major source of export income is technology based.

It currently provides 25% of export income from fisheries products.

We are also concerned here with energy, which is what provides us with export income.

After crude oil, it is the second largest source of export income.