Year Dollars 2003-01-01 281072 2004-01-01 376475 2006-01-01 495962 2007-01-01 968095 2008-01-01 326967 2009-01-01 349375 2010-01-01 579202 2011-01-01 508368 2013-01-01 297685 2014-01-01 272154 2015-01-01 346107 2016-01-01 326890