Year Dollars 2004-01-01 282542 2006-01-01 872153 2007-01-01 513886 2008-01-01 6078357 2009-01-01 2229899 2010-01-01 1763542 2012-01-01 1588981 2013-01-01 1574793 2014-01-01 1455648 2016-01-01 1637915