Year Dollars 1992-01-01 12575700 1997-01-01 23618168 2002-01-01 36069253 2003-01-01 38170167 2004-01-01 57585450 2005-01-01 59958174 2006-01-01 71132999 2007-01-01 67488317 2008-01-01 80318054 2009-01-01 83764466 2010-01-01 78863152 2011-01-01 68665209 2012-01-01 63133881 2013-01-01 69218304 2014-01-01 70539664 2015-01-01 74071111 2016-01-01 86697154