Year Dollars 2002-01-01 175363 2003-01-01 495533 2004-01-01 212109 2005-01-01 1007565 2006-01-01 216176 2007-01-01 1554469 2008-01-01 233625 2009-01-01 549211 2010-01-01 735251 2011-01-01 535752 2012-01-01 1488386 2013-01-01 1004949 2014-01-01 2240631 2015-01-01 984463