Year Dollars 1997-01-01 96268 2002-01-01 69074 2003-01-01 63622 2004-01-01 80770 2005-01-01 531181 2006-01-01 115301 2007-01-01 447793 2008-01-01 364801 2009-01-01 173197 2010-01-01 511254 2011-01-01 799869 2012-01-01 847976 2013-01-01 1127932 2014-01-01 1576914 2015-01-01 1253863 2016-01-01 879485