Year Dollars 1992-01-01 40777906 1997-01-01 155241418 2002-01-01 313600841 2003-01-01 373661058 2004-01-01 653974507 2005-01-01 796838411 2006-01-01 823259116 2007-01-01 930140865 2008-01-01 724136513 2009-01-01 183096729 2010-01-01 213379441 2011-01-01 258423156 2012-01-01 354301013 2013-01-01 313118397 2014-01-01 354457292 2015-01-01 394657831 2016-01-01 300384894