Year Dollars 1992-01-01 934866 1997-01-01 93649 2002-01-01 3440171 2003-01-01 468472 2004-01-01 2825614 2006-01-01 9775671 2007-01-01 29108854 2008-01-01 30269298 2009-01-01 29351663 2010-01-01 25796386 2011-01-01 23782053 2012-01-01 51335747 2013-01-01 45444159 2014-01-01 57417973 2015-01-01 29335084 2016-01-01 21330104