Year Dollars 1997-01-01 1917323 2002-01-01 1609634 2003-01-01 3580742 2004-01-01 8634916 2005-01-01 8642654 2006-01-01 13192616 2007-01-01 14182932 2008-01-01 12702570 2009-01-01 3167784 2010-01-01 2687072 2011-01-01 1889696 2012-01-01 3940699 2013-01-01 10828163 2014-01-01 3023131 2015-01-01 4893338 2016-01-01 3882720