Year % gross 1995 0.432500004768372 1996 0.307720005512238 1998 0.37049001455307 1999 0.488770008087158 2000 0.522970020771027 2001 0.648159980773926 2002 0.605340003967285 2004 0.457899987697601 2009 1.68519997596741 2010 2.25384998321533 2014 2.56143999099731 2015 2.59483003616333 2016 2.48573994636536