Net exporter to the U.S... But as the OP points out, they do other things with US$ such as buy oil and invest. You are right that they aren't running out of d

Net exporter to the U.S... But as the OP points out, they do other things with US$ such as buy oil and invest. You are right that they aren't running out of dollars, but they aren't stockpiling them at the rate of the trade surplus either.