Year Current U.S. Dollars 2001-01-01 71630592.2234030 2002-01-01 79863374.9453282 2003-01-01 95544010.7819098 2004-01-01 104486043.4785600 2005-01-01 125146438.6767600 2006-01-01 133324919.0343440 2007-01-01 144616696.7711240 2008-01-01 188021168.8418000 2009-01-01 187821029.0331690 2010-01-01 197454053.1450880 2011-01-01 233213522.6453480 2012-01-01 252560557.0830610 2013-01-01 302925489.6839140 2014-01-01 348941656.7972570 2015-01-01 315520894.9312420 2016-01-01 354238109.3003040 2017-01-01 390871568.6300820