Year Dollars 1992-01-01 14754944 1997-01-01 72739256 2002-01-01 18592639 2003-01-01 22242819 2004-01-01 25070954 2005-01-01 41303101 2006-01-01 45855445 2007-01-01 57845953 2008-01-01 53669251 2009-01-01 59609386 2010-01-01 73047402 2011-01-01 72535080 2012-01-01 73737011 2013-01-01 84831361 2014-01-01 82708949 2015-01-01 77524349 2016-01-01 70920477