Year Dollars 1992-01-01 23115 2002-01-01 262883 2003-01-01 69459 2007-01-01 110813 2008-01-01 180340 2009-01-01 88408 2010-01-01 140175 2012-01-01 687533 2013-01-01 645479 2014-01-01 511591 2015-01-01 152933