Year Dollars 1992-01-01 775300 1997-01-01 6364556 2002-01-01 5304528 2003-01-01 4634412 2004-01-01 6895003 2005-01-01 8510507 2006-01-01 8946253 2007-01-01 11709156 2008-01-01 18575638 2009-01-01 12816755 2010-01-01 9288529 2011-01-01 14308168 2012-01-01 13261827 2013-01-01 10419825 2014-01-01 10102294 2015-01-01 13312169 2016-01-01 12209304