Year Dollars 1992-01-01 51062090 1997-01-01 68907038 2002-01-01 41999990 2003-01-01 59046694 2004-01-01 55458361 2005-01-01 49821625 2006-01-01 73179599 2007-01-01 50770157 2008-01-01 44612788 2009-01-01 42686169 2010-01-01 51482920 2011-01-01 65146639 2012-01-01 54339206 2013-01-01 46213503 2014-01-01 55490076 2015-01-01 59881325 2016-01-01 83770174