Year Dollars 1992-01-01 1334078343 1997-01-01 2356421099 2002-01-01 2308013785 2003-01-01 2655557288 2004-01-01 3199803718 2005-01-01 4197107905 2006-01-01 5152600130 2007-01-01 5873328088 2008-01-01 6760395065 2009-01-01 5521837866 2010-01-01 5609152771 2011-01-01 7077008978 2012-01-01 6828569946 2013-01-01 6933161061 2014-01-01 6725932654 2015-01-01 5496774789 2016-01-01 5424650594