Year Dollars 1992-01-01 59172755 1997-01-01 211306932 2002-01-01 183741189 2003-01-01 209685241 2004-01-01 251687822 2005-01-01 223503721 2006-01-01 306124668 2007-01-01 319362581 2008-01-01 340921185 2009-01-01 296584930 2010-01-01 325709668 2011-01-01 389086369 2012-01-01 337983412 2013-01-01 289688855 2014-01-01 306873128 2015-01-01 301406894 2016-01-01 294682644