Year	% gross
1971	56.0998687744141
1972	69.2533569335938
1973	86.6989669799805
1974	98.9746932983398
1975	103.890327453613
1976	125.063209533691
1977	114.032669067383
1978	110.451469421387
1979	107.77954864502
1980	105.644836425781
1981	104.212890625
1982	101.731887817383
1983	95.0387115478516
1984	99.2876434326172
1985	99.7641906738281
1986	100.197250366211
1987	102.058937072754
1988	103.686126708984
1989	105.287147521973
1990	106.323448181152
1991	105.881370544434
1994	110.102821350098
1998	119.169242858887
1999	118.928749084473
2000	116.870727539062
2001	115.657981872559
2002	114.848213195801
2003	112.997337341309
2004	110.66081237793
2005	109.543922424316
2006	109.634078979492
2007	108.703033447266
2008	108.343856811523
2009	107.644348144531
2010	107.247428894043
2011	105.803382873535
2012	105.173240661621
2013	105.531669616699
2014	104.337059020996
2015	101.818069458008
2016	99.7518768310547
2017	98.2431716918945
2018	98.6432571411133
2019	96.9894180297852
2020	95.9991912841797
2021	96.402099609375