Year % gross 1995 1.61261999607086 1996 1.34501004219055 1998 1.40799999237061 1999 1.82910001277924 2000 1.86452996730804 2001 2.45797991752625 2002 2.28929996490479 2004 1.76379001140594 2009 3.44694995880127 2010 4.11851978302002 2014 3.88660001754761 2015 3.30574011802673 2016 3.00972008705139