Year	% gross
1970	78.3625183105469
1971	78.8247833251953
1972	79.3921203613281
1973	79.4243621826172
1974	79.2236022949219
1975	80.6153564453125
1976	81.5490264892578
1977	80.7835311889648
1979	81.2438583374023
1980	81.4058303833008
1981	82.1648788452148
1982	82.7592163085938
1983	84.646842956543
1984	83.9323120117188
1985	82.7591400146484
1986	82.1825714111328
1987	82.6305923461914
1988	84.7939987182617
1989	86.9309005737305
1990	89.4674987792969
1991	91.0154190063477
1992	93.9716415405273
1993	102.07039642334
1994	109.80549621582
1995	113.541023254395
1996	115.011192321777
1997	114.192237854004
1998	113.077362060547
1999	113.076057434082
2000	112.153717041016
2001	112.625297546387
2002	115.515556335449
2003	117.427673339844
2004	115.379913330078
2005	119.563697814941
2006	117.906547546387
2007	119.56844329834
2008	118.054237365723
2009	125.807861328125
2010	119.128967285156
2011	118.256721496582
2012	116.826477050781
2013	115.650527954102
2014	116.084312438965
2015	114.889991760254
2016	113.687911987305
2017	112.943313598633
2018	112.411079406738
2019	120.266319274902
2020	116.893188476562
2021	117.595428466797