Year Dollars 1992-01-01 183500482 1997-01-01 302473991 2002-01-01 604166551 2003-01-01 873957287 2004-01-01 807019407 2005-01-01 736593642 2006-01-01 631390805 2007-01-01 888102675 2008-01-01 923105470 2009-01-01 637797002 2010-01-01 742346915 2011-01-01 601022958 2012-01-01 638855135 2013-01-01 742009613 2014-01-01 841181057 2015-01-01 797070559 2016-01-01 688787913