Year Dollars 1992-01-01 1681642113 1997-01-01 2316393138 2002-01-01 2188232212 2003-01-01 3036431444 2004-01-01 2511609479 2005-01-01 2534413467 2006-01-01 3748652829 2007-01-01 4295139199 2008-01-01 4626795515 2009-01-01 4134229378 2010-01-01 4306901303 2011-01-01 6105892592 2012-01-01 6018867004 2013-01-01 4637506973 2014-01-01 5848604548 2016-01-01 5074923148