Year Dollars 1992-01-01 156122 1997-01-01 1333268 2003-01-01 5288744 2004-01-01 3509513 2005-01-01 3620476 2006-01-01 6594077 2007-01-01 8921795 2008-01-01 10022761 2009-01-01 7839324 2010-01-01 4073146 2011-01-01 52204283 2012-01-01 6774500 2013-01-01 9098357 2014-01-01 5237001 2015-01-01 6280554 2016-01-01 5166246