Year Dollars 1997-01-01 742396 2002-01-01 484013 2003-01-01 379449 2004-01-01 2724980 2005-01-01 1035304 2006-01-01 7008354 2007-01-01 7230466 2008-01-01 11733237 2009-01-01 1956387 2010-01-01 3228272 2011-01-01 9655934 2012-01-01 7773266 2013-01-01 7057813 2014-01-01 15509443 2015-01-01 3500024 2016-01-01 3800254