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
