Year Dollars 1992-01-01 8192591 1997-01-01 27127791 2002-01-01 29002450 2003-01-01 23805841 2004-01-01 33946311 2005-01-01 44371937 2006-01-01 59585704 2007-01-01 57535166 2008-01-01 83261146 2009-01-01 45986798 2010-01-01 40898831 2011-01-01 53391789 2012-01-01 72052519 2013-01-01 84088517 2014-01-01 57511430 2015-01-01 45259141 2016-01-01 9464174