Year Dollars 1992-01-01 250419 2002-01-01 396139 2003-01-01 255438 2004-01-01 728603 2005-01-01 530053 2006-01-01 1042768 2007-01-01 568119 2008-01-01 735998 2009-01-01 530240 2010-01-01 464701 2011-01-01 857020 2012-01-01 739848 2013-01-01 458104 2014-01-01 427804 2015-01-01 451051 2016-01-01 418878