Year Dollars 1992-01-01 38047003 1997-01-01 43533323 2002-01-01 57090541 2003-01-01 47745974 2004-01-01 60304636 2005-01-01 60729102 2006-01-01 70712105 2007-01-01 184452339 2008-01-01 245050650 2009-01-01 205966595 2010-01-01 225753932 2011-01-01 228070708 2012-01-01 182034503 2013-01-01 195229860 2014-01-01 190113010 2015-01-01 204535860 2016-01-01 208702767