* No one knows how many US Dollars are in circulation, we estimate it from what we print. Also, no one knows how many counterfeit dollars are in circulation. Countries like N.-Korea, Iran, and Zimbabwe, have been accused of counterfeiting US Dollars to support their import needs. Japan did it during the war. I own one of their dollars and I own a "Brown Hawaiian Dollar" the Army's answer to the counterfeited green dollars. * Ben Franklin believed that there should always be a little inflation. * I believe, from my yearly expense tabulations, that US Government inflation statistics are under estimated.