Year Dollars 2002-01-01 2638055 2003-01-01 622726 2004-01-01 2134479 2005-01-01 4252452 2006-01-01 11543795 2007-01-01 6693433 2008-01-01 7848139 2009-01-01 7569447 2010-01-01 4882310 2011-01-01 4177865 2012-01-01 5242503 2013-01-01 7385167 2014-01-01 8664428 2015-01-01 9527919 2016-01-01 9146003