Year	% gross
1970	57.1922988891602
1972	61.2560005187988
1973	63.5107307434082
1974	65.5931396484375
1975	66.8951873779297
1976	67.7921371459961
1977	69.9777297973633
1978	70.1426391601562
1980	68.5755233764648
1981	66.8365478515625
1983	67.0690383911133
1984	68.4519271850586
1985	66.8580017089844
1986	69.0215225219727
1987	71.2876129150391
1991	75.6466369628906
1992	78.0968170166016
1998	73.9958419799805
1999	72.2956924438477
2000	72.5943374633789
2001	72.4089508056641
2002	73.4020614624023
2003	75.1015930175781
2004	77.7463684082031
2006	76.0103378295898
2007	74.9996109008789
2008	76.6046981811523
2009	75.9372100830078
2011	81.3514862060547
2012	78.8948287963867
2014	86.4029998779297
2015	85.5579986572266
2016	86.4860000610352
2018	89.2509994506836
2019	87.4660034179688
2020	89.4179992675781
2021	90.3600006103516
2022	87.6429977416992