Year Dollars 1997-01-01 48723 2002-01-01 93103 2004-01-01 643137 2006-01-01 407498 2007-01-01 298107 2008-01-01 417135 2009-01-01 143471 2010-01-01 184764 2011-01-01 284658 2012-01-01 421128 2013-01-01 551209 2014-01-01 276990 2015-01-01 663262 2016-01-01 1088010