Year Dollars 1992-01-01 98193754 1997-01-01 288908731 2002-01-01 446169045 2003-01-01 348831709 2004-01-01 351758065 2005-01-01 442626694 2006-01-01 517100791 2007-01-01 607193276 2008-01-01 606677542 2009-01-01 491866551 2010-01-01 738648833 2011-01-01 950603026 2012-01-01 944559734 2013-01-01 1083106806 2014-01-01 1043504132 2015-01-01 1043324364 2016-01-01 957280360