Year Dollars 1992-01-01 48513410 1997-01-01 35591110 2002-01-01 88529007 2003-01-01 67189916 2004-01-01 63364759 2005-01-01 78992510 2006-01-01 115165996 2007-01-01 134390963 2008-01-01 131915270 2009-01-01 44648040 2010-01-01 91657599 2011-01-01 150860864 2012-01-01 183709228 2013-01-01 245060879 2014-01-01 226810446 2015-01-01 194982970 2016-01-01 218606785