Year Dollars 1992-01-01 1837234 1997-01-01 1206918 2002-01-01 1043030 2003-01-01 1736733 2004-01-01 2043436 2005-01-01 3413676 2006-01-01 4174477 2007-01-01 7341727 2008-01-01 7618487 2009-01-01 6130149 2010-01-01 6774386 2011-01-01 9565674 2012-01-01 11201494 2013-01-01 10019532 2014-01-01 13546788 2015-01-01 8510540 2016-01-01 5518294