Year Dollars 2002-01-01 530227 2003-01-01 536295 2004-01-01 334660 2005-01-01 197474 2006-01-01 129817 2007-01-01 470711 2008-01-01 174763 2009-01-01 501951 2010-01-01 193943 2011-01-01 1017090 2013-01-01 64061 2014-01-01 145354 2015-01-01 440946 2016-01-01 712081