Question

Where did the El Salvadoran government get all their income, prior to the 20th century?

Answer 1

By the 20th century, 95% of El Salvador's income derived from coffee exports.

Answer 2

El Salvadoran government got all their income, prior to the 20th century from growing and selling coffee.  El Salvador became the fifth world producer and fourth exporter with crops close to 5 million quintals of coffee in the mid-70s