Year Dollars 1997-01-01 142992 2002-01-01 545350 2003-01-01 408514 2004-01-01 266859 2005-01-01 419308 2006-01-01 1507746 2007-01-01 2353625 2008-01-01 1121482 2009-01-01 1251180 2010-01-01 669879 2012-01-01 535947 2013-01-01 785271 2014-01-01 584336 2015-01-01 547967 2016-01-01 830005