Year Dollars 1992-01-01 23979566 1997-01-01 27119274 2002-01-01 34374218 2003-01-01 36913234 2004-01-01 27937032 2005-01-01 78936174 2006-01-01 36808777 2007-01-01 69195507 2008-01-01 101032133 2009-01-01 87024932 2010-01-01 74800124 2011-01-01 108064836 2012-01-01 163056678 2013-01-01 99065718 2014-01-01 76247541 2015-01-01 89477095 2016-01-01 77509091