Year Dollars 1992-01-01 46580 1997-01-01 189293 2003-01-01 306759 2004-01-01 926597 2005-01-01 432029 2006-01-01 267497 2007-01-01 883951 2008-01-01 484774 2009-01-01 1197092 2010-01-01 577926 2011-01-01 909852 2012-01-01 284606 2013-01-01 1173150 2014-01-01 658301 2015-01-01 648464 2016-01-01 591783