Year Dollars 1992-01-01 105544600 1997-01-01 124543721 2002-01-01 66677795 2003-01-01 100577154 2004-01-01 90778858 2005-01-01 81258124 2006-01-01 126961987 2007-01-01 280894047 2008-01-01 443964422 2009-01-01 274865152 2010-01-01 392979908 2011-01-01 1673407512 2012-01-01 1645591836 2013-01-01 819334504 2014-01-01 975861830 2015-01-01 912353124 2016-01-01 724516889