Year Dollars 1992-01-01 261226 1997-01-01 121371 2004-01-01 280906 2005-01-01 741174 2006-01-01 471415 2007-01-01 724079 2008-01-01 546415 2009-01-01 281082 2010-01-01 224482 2011-01-01 496406 2013-01-01 382452 2014-01-01 451750 2015-01-01 280698 2016-01-01 626890