Year Dollars 1992-01-01 212639604 1997-01-01 248046494 2002-01-01 387029930 2003-01-01 406595292 2004-01-01 557342758 2005-01-01 697766316 2006-01-01 871436988 2007-01-01 1248511589 2008-01-01 1193691070 2009-01-01 694900104 2010-01-01 697626074 2011-01-01 650022498 2012-01-01 553558593 2013-01-01 615180106 2014-01-01 787820064 2015-01-01 479194111 2016-01-01 646336774