Year Dollars 2007-01-01 9269498 2008-01-01 3429477 2009-01-01 2738932 2010-01-01 3829015 2011-01-01 3751568 2012-01-01 7171676 2013-01-01 5110863 2014-01-01 6769256 2015-01-01 4653734 2016-01-01 4836551