Year Dollars 2004-01-01 669115 2007-01-01 518995 2008-01-01 803641 2009-01-01 193297 2010-01-01 436887 2012-01-01 255621 2013-01-01 1437763 2014-01-01 1099224 2015-01-01 1191820 2016-01-01 738444