Year Dollars 1997-01-01 52761 2002-01-01 437415 2003-01-01 430433 2004-01-01 614162 2005-01-01 840175 2008-01-01 2420887 2009-01-01 590472 2010-01-01 1171347 2011-01-01 1485960 2012-01-01 712565 2013-01-01 1120266 2014-01-01 906093 2015-01-01 680737 2016-01-01 1218133