Year Dollars 1997-01-01 9345 2002-01-01 21175 2003-01-01 30704 2004-01-01 44346 2005-01-01 88115 2006-01-01 65114 2007-01-01 197121 2008-01-01 120864 2009-01-01 163389 2010-01-01 498424 2012-01-01 188259 2013-01-01 1606135 2014-01-01 610846 2015-01-01 235847 2016-01-01 253266