Year Dollars 1992-01-01 7243527 1997-01-01 62227019 2002-01-01 53450191 2003-01-01 54880748 2004-01-01 56783436 2005-01-01 81081240 2006-01-01 85963171 2007-01-01 103355999 2008-01-01 117830768 2009-01-01 75850868 2010-01-01 117877111 2011-01-01 103982447 2012-01-01 166697638 2013-01-01 182047916 2014-01-01 156797112 2015-01-01 95901799 2016-01-01 100853818