Year Dollars 1992-01-01 137623103 1997-01-01 185602390 2002-01-01 37095405 2003-01-01 65897534 2004-01-01 133860101 2005-01-01 113943062 2006-01-01 118645386 2007-01-01 115362734 2008-01-01 171021628 2009-01-01 146611647 2010-01-01 124969197 2011-01-01 238824018 2012-01-01 303374990 2013-01-01 187103732 2014-01-01 164427320 2015-01-01 173406281 2016-01-01 107970223