Year Current U.S. Dollars 2000-01-01 439543789.908305 2001-01-01 517685310.010850 2002-01-01 510739436.338609 2003-01-01 543358124.635932 2004-01-01 1078398152.020930 2005-01-01 1813734850.847250 2006-01-01 2657852896.558430 2007-01-01 2881025962.799820 2008-01-01 4391333475.805010 2009-01-01 3199550317.246390 2010-01-01 3998696648.743310 2011-01-01 5681940844.902780 2012-01-01 6671047974.392180 2013-01-01 5649813360.663950 2014-01-01 4045377828.461330 2015-01-01 3104426020.563920 2016-01-01 2521007678.826290 2017-01-01 2954620999.584410