Year Dollars 1992-01-01 56971096 1997-01-01 92400719 2002-01-01 30457221 2003-01-01 31925331 2004-01-01 58550988 2005-01-01 60731515 2006-01-01 77335453 2007-01-01 133593108 2008-01-01 175982621 2009-01-01 150110437 2010-01-01 139823080 2011-01-01 130956280 2012-01-01 136317028 2013-01-01 170033328 2014-01-01 206595165 2015-01-01 159705878 2016-01-01 124831732