Year Dollars 1992-01-01 144359113 1997-01-01 283342980 2002-01-01 231275249 2003-01-01 292162102 2004-01-01 349490187 2005-01-01 401105121 2006-01-01 472713448 2007-01-01 512524293 2008-01-01 665823595 2009-01-01 629965332 2010-01-01 1005901705 2011-01-01 1436175501 2012-01-01 1123237750 2013-01-01 1416387860 2014-01-01 1256276356 2015-01-01 836603773 2016-01-01 789104387