Year Dollars 1992-01-01 145274786 1997-01-01 90410822 2002-01-01 51128041 2003-01-01 55633296 2004-01-01 68108087 2005-01-01 90798119 2006-01-01 128794228 2007-01-01 124074933 2008-01-01 162970233 2009-01-01 144027310 2010-01-01 210156026 2011-01-01 545650798 2012-01-01 670346263 2013-01-01 464710202 2014-01-01 420271335 2015-01-01 176610238 2016-01-01 126993939