Year Dollars 2002-01-01 548026 2003-01-01 138535 2007-01-01 455927 2008-01-01 640170 2009-01-01 1032802 2010-01-01 980061 2011-01-01 346643 2012-01-01 574806 2013-01-01 629005 2014-01-01 708848 2015-01-01 667804 2016-01-01 2322459