Year Millions of 2000 Dollars 2002-01-01 194.80900000000003 2003-01-01 273.26599999999996 2004-01-01 349.59800000000000 2005-01-01 536.90600000000000 2006-01-01 1281.06000000000000 2007-01-01 2735.67000000000000 2008-01-01 2322.62000000000000 2009-01-01 2130.22000000000000 2010-01-01 2009.66000000000000 2011-01-01 1925.19000000000000 2012-01-01 2082.19000000000000 2013-01-01 2250.45000000000000 2014-01-01 2163.28000000000000 2015-01-01 2158.37000000000000 2016-01-01 2262.02000000000000