Before we used to just budget on whatever oil we bring in, because oil is the biggest, most revenue earning sector in the economy 70 percent of our revenues come from oil.

In a similar example, with the phrase He had a seven figure income , the order of magnitude is the number of figures minus one, so it is very easily determined without a calculator to be 6.

And over the course of dinner, I learned that Kiribati gains most of its revenue it's a very poor country but it gains what revenue is has by selling access to foreign nations to take fish out of its waters, because Kiribati does not have the capacity to take the fish itself.