Year	% gross
1970	25.6968193054199
1971	26.8152599334717
1972	29.1316509246826
1973	29.3736095428467
1974	33.9244384765625
1975	30.5319499969482
1976	26.0597400665283
1978	36.625301361084
1979	41.4233894348145
1980	47.2217407226562
1981	55.1821212768555
1982	64.7551193237305
1983	71.3692932128906
1985	112.359260559082
1986	114.37003326416
1987	117.427917480469
1988	116.08618927002
1989	114.724388122559
1991	116.393440246582
1992	117.981231689453
1993	116.683647155762
1994	117.060302734375
1995	114.648880004883
1996	117.547889709473
1998	108.704879760742
1999	76.1088333129883
2000	76.3447036743164
2001	70.6837310791016
2002	72.5549087524414
2003	74.9300994873047
2004	71.8133163452148
2005	77.5941162109375
2006	70.8462219238281
2007	72.8961868286133
2008	69.0792999267578
2009	68.3608932495117
2010	67.953742980957
2011	65.4146270751953
2012	73.9497299194336
2013	67.8210372924805
2014	70.5540466308594
2015	72.4925537109375
2016	73.4681396484375
2017	72.626838684082
2018	74.1890029907227
2019	72.3153686523438
2020	71.8940124511719
2021	71.6446533203125
2022	73.8050765991211