Year Dollars 1997-01-01 104946 2002-01-01 60007 2003-01-01 42675 2004-01-01 133463 2005-01-01 390251 2006-01-01 250223 2007-01-01 212402 2008-01-01 513294 2009-01-01 220076 2010-01-01 191318 2011-01-01 736139 2012-01-01 696058 2013-01-01 872351 2014-01-01 1132972 2015-01-01 1223666 2016-01-01 1433384