Year Dollars 1992-01-01 10225393 1997-01-01 25064758 2002-01-01 43673499 2003-01-01 35640986 2004-01-01 34703180 2005-01-01 39891335 2006-01-01 80940975 2007-01-01 84259337 2008-01-01 86794741 2009-01-01 48892167 2010-01-01 47205908 2011-01-01 45162864 2012-01-01 45899760 2013-01-01 49014096 2014-01-01 68857907 2015-01-01 60709535 2016-01-01 66337144