Year Dollars 1992-01-01 256187056 1997-01-01 644568894 2002-01-01 781817274 2003-01-01 768187700 2004-01-01 1045466128 2005-01-01 1125986405 2006-01-01 1583249733 2007-01-01 1325478236 2008-01-01 1372909551 2009-01-01 1300537223 2010-01-01 1442659397 2011-01-01 1920166596 2012-01-01 1957310736 2013-01-01 2043256216 2014-01-01 2487736189 2015-01-01 2461842569 2016-01-01 2422769692