Year Dollars 1992-01-01 4402849 1997-01-01 36129944 2002-01-01 11169796 2003-01-01 23405219 2004-01-01 33517674 2005-01-01 39951928 2006-01-01 59429130 2007-01-01 46923731 2008-01-01 42485794 2009-01-01 40343433 2010-01-01 45044403 2011-01-01 52015109 2012-01-01 45349346 2013-01-01 55982673 2014-01-01 63204006 2015-01-01 50071637 2016-01-01 34554733