Year % gross 1998 22.0440196990967 1999 20.41090965271 2000 18.9050693511963 2001 26.0818996429443 2002 26.7693195343018 2003 27.3180408477783 2005 30.5743408203125 2010 36.6950416564941 2011 42.069278717041 2012 43.0888900756836 2013 40.011589050293 2014 35.2106590270996 2015 39.3469886779785 2016 38.9355697631836 2018 34.9601898193359 2019 33.0466079711914