Year Dollars 1992-01-01 125212472 1997-01-01 251543696 2002-01-01 281470564 2003-01-01 339142550 2004-01-01 401475728 2005-01-01 430317725 2006-01-01 403783879 2007-01-01 460573054 2008-01-01 540580478 2009-01-01 576955496 2010-01-01 714097836 2011-01-01 872263052 2012-01-01 724095917 2013-01-01 808034786 2014-01-01 1185645712 2015-01-01 948959655 2016-01-01 757428102