Year Dollars 2003-01-01 184896 2004-01-01 368006 2005-01-01 1180749 2007-01-01 1445875 2008-01-01 3538798 2009-01-01 1974490 2010-01-01 1881397 2011-01-01 4880233 2012-01-01 5040918 2013-01-01 4478286 2014-01-01 6516667 2015-01-01 3362114 2016-01-01 2233814