Year Dollars 1992-01-01 73888709 1997-01-01 135893483 2002-01-01 221202952 2003-01-01 193014886 2004-01-01 263331455 2005-01-01 246970077 2006-01-01 255285589 2007-01-01 380279599 2008-01-01 572763156 2009-01-01 380416036 2010-01-01 344362195 2011-01-01 535436284 2012-01-01 400496116 2013-01-01 410979000 2014-01-01 600447770 2015-01-01 378867681 2016-01-01 334080823