Year U.S. Dollars 2000-01-01 39383300000 2001-01-01 42052800000 2002-01-01 47845100000 2003-01-01 57668100000 2004-01-01 78440000000 2005-01-01 93862500000 2006-01-01 112930400000 2007-01-01 166134200000 2008-01-01 219714400000 2009-01-01 187139600000 2010-01-01 206660900000 2011-01-01 249637800000 2012-01-01 277323300000 2013-01-01 292178400000 2014-01-01 319310900000 2015-01-01 305786200000 2016-01-01 310419500000 2017-01-01 315878900000 2018-01-01 351577900000 2019-01-01 368696500000