Year Current U.S. Dollars 2000-01-01 5472116096.93172 2001-01-01 5947902515.44177 2002-01-01 6978783272.11077 2003-01-01 9301313572.71906 2004-01-01 11465094534.16150 2005-01-01 13457655515.48310 2006-01-01 16082181533.05730 2007-01-01 20706692581.43990 2008-01-01 22921927640.25190 2009-01-01 19054459572.10340 2010-01-01 18457311665.05120 2011-01-01 22009014211.77660 2012-01-01 22114662087.36040 2013-01-01 24557491226.00570 2014-01-01 25524897768.91410 2015-01-01 22092721136.75850 2016-01-01 22882960363.38970 2017-01-01 25397715458.95740