Year Dollars 1992-01-01 7772631 1997-01-01 5979738 2002-01-01 4578199 2003-01-01 3079624 2004-01-01 1833040 2005-01-01 1960120 2006-01-01 2692814 2007-01-01 3258679 2008-01-01 2477562 2009-01-01 3211901 2010-01-01 3516284 2011-01-01 6529167 2012-01-01 4352759 2013-01-01 5708185 2014-01-01 3220073 2015-01-01 2302164 2016-01-01 2835369