Year Dollars 1992-01-01 471270337 1997-01-01 858333234 2002-01-01 656723195 2003-01-01 625115288 2004-01-01 749436197 2005-01-01 846996781 2006-01-01 865550157 2007-01-01 882082648 2008-01-01 964449641 2009-01-01 645638288 2010-01-01 894308888 2011-01-01 926434507 2012-01-01 932125501 2013-01-01 873282590 2014-01-01 981879986 2015-01-01 972720152 2016-01-01 1425058181