Image: U.S. Dollar (Wikimedia Commons).China accounts for more global trade <a title=???than anyone else on the planet??? href=???http://www.bloomberg.com/news/2013-02-09/china-passes-u-s-to-become-the-world-s-biggest-trading-nation.html??? target=???_blank???>than anyone else on the planet</a> (including the United States), and most of that trade is conducted in U.S. dollars.