Year	% gross
1970	16.6101608276367
1971	17.6301708221436
1972	18.5255508422852
1973	19.6401805877686
1974	21.8469390869141
1975	23.3929290771484
1976	24.4527702331543
1977	24.8880195617676
1978	25.0607490539551
1979	25.0701808929443
1980	24.9995193481445
1981	25.3438606262207
1982	25.3027191162109
1983	26.057149887085
1984	26.9853496551514
1985	28.1948204040527
1986	29.9956302642822
1987	30.1694793701172
1988	31.8232803344727
1989	32.4942817687988
1990	34.6341590881348
1991	37.3889007568359
1992	38.9267807006836
1993	64.7449035644531
1994	66.9492263793945
1995	71.2437973022461
1996	75.533317565918
1997	79.8077774047852
2015	119.679389953613
2016	119.682777404785
2017	109.993309020996
2018	103.322090148926
2019	109.759559631348
2020	110.139221191406
2021	112.688293457031
2022	106.240760803223