Year Dollars 1992-01-01 320357892 1997-01-01 331623769 2002-01-01 322517987 2003-01-01 305306974 2004-01-01 427624044 2005-01-01 431406495 2006-01-01 518868544 2007-01-01 634719808 2008-01-01 710164680 2009-01-01 659966507 2010-01-01 774804781 2011-01-01 1060796403 2012-01-01 864756707 2013-01-01 1200834896 2014-01-01 985295500 2015-01-01 890685464 2016-01-01 1025218276