Year Current U.S. Dollars 2001-01-01 68481569.7028487 2002-01-01 76521441.0356144 2003-01-01 93026130.6791457 2004-01-01 101389902.8270560 2005-01-01 122218910.5987540 2006-01-01 136357169.5146680 2007-01-01 149091205.0709350 2008-01-01 187949234.2592340 2009-01-01 187536820.5536080 2010-01-01 198044427.2994850 2011-01-01 234014419.3461530 2012-01-01 247866519.1962870 2013-01-01 305513984.0142460 2014-01-01 354638486.5550780 2015-01-01 314491090.3776890 2016-01-01 355191451.6496620 2017-01-01 393098002.7896300