Year Dollars 1992-01-01 384360173 1997-01-01 479382402 2002-01-01 415158718 2003-01-01 382472123 2004-01-01 484827418 2005-01-01 452695331 2006-01-01 661737440 2007-01-01 570818931 2008-01-01 828067316 2009-01-01 664916405 2010-01-01 875829334 2011-01-01 1315389764 2012-01-01 1082309560 2013-01-01 1101641335 2014-01-01 997450736 2015-01-01 975349620 2016-01-01 1151378005