Year Dollars 1992-01-01 239893964 1997-01-01 406966638 2002-01-01 357627707 2003-01-01 475127819 2004-01-01 489195407 2005-01-01 484284691 2006-01-01 523711625 2007-01-01 525917545 2008-01-01 531574404 2009-01-01 507387592 2010-01-01 649889756 2011-01-01 722057443 2012-01-01 687169564 2013-01-01 1742106595 2014-01-01 945741661 2015-01-01 912452662 2016-01-01 742359597