Year Dollars 1992-01-01 770771 1997-01-01 700991 2002-01-01 871265 2003-01-01 867249 2004-01-01 1574396 2005-01-01 8843062 2006-01-01 32535427 2007-01-01 50295964 2008-01-01 28648508 2009-01-01 5708173 2010-01-01 6927456 2011-01-01 13565691 2012-01-01 11049246 2013-01-01 12717989 2014-01-01 13058552 2015-01-01 15678351 2016-01-01 16245289