U.S. Dollar Exchange Rate against Selected Major Currencies, 2003-06. Chart of U.S. dollar exchange rate against selected major currencies, 2003 to 2006. For details, refer to the text immediately preceding this chart. Note: The data are weekly and are in foreign currency units per dollar. The last observation for each series is the average of February 6 through February 8, 2006. Source: Bloomberg L.P.