Year Dollars 1992-01-01 966710 2003-01-01 84691 2004-01-01 52403 2005-01-01 48423 2006-01-01 185287 2007-01-01 423782 2008-01-01 1344072 2009-01-01 62942 2010-01-01 511121 2011-01-01 251048 2012-01-01 1069024 2013-01-01 1229104 2014-01-01 740463 2015-01-01 596557 2016-01-01 570193