Year Current Dollars 2006-01-01 4206122192.94944 2007-01-01 5091294826.17027 2008-01-01 5927640251.94082 2009-01-01 5739714087.24646 2010-01-01 5918807947.01987 2011-01-01 6850708924.10342 2012-01-01 6697674418.60465 2013-01-01 7234333510.35581 2014-01-01 7535889611.25116 2015-01-01 6489852500.83176