Year Dollars 1992-01-01 25094693 1997-01-01 35502486 2002-01-01 29108379 2003-01-01 31126737 2004-01-01 45646775 2005-01-01 50118030 2006-01-01 48264597 2007-01-01 70995270 2008-01-01 54176508 2009-01-01 54470098 2010-01-01 48376625 2011-01-01 61370200 2012-01-01 60308767 2013-01-01 62837620 2014-01-01 92074734 2015-01-01 78833321 2016-01-01 66198047