Year U.S. Dollars 2000-01-01 313500000 2001-01-01 329400000 2002-01-01 430200000 2003-01-01 502000000 2004-01-01 547100000 2005-01-01 666700000 2006-01-01 1071900000 2007-01-01 1659200000 2008-01-01 1406800000 2009-01-01 2003700000 2010-01-01 1865800000 2011-01-01 1869500000 2012-01-01 1799400000 2013-01-01 2253000000 2014-01-01 1489400000 2015-01-01 1771200000 2016-01-01 2204100000 2017-01-01 2313900000 2018-01-01 2548600000 2019-01-01 2875500000