Year Dollars 2002-01-01 143570 2003-01-01 81677 2004-01-01 777632 2005-01-01 696926 2006-01-01 1106156 2007-01-01 1373598 2008-01-01 931707 2009-01-01 520244 2010-01-01 244332 2011-01-01 256075 2012-01-01 306510 2014-01-01 185522 2015-01-01 475183 2016-01-01 407018