Year	% gross
1971	17.1145095825195
1972	19.4661598205566
1974	23.3992004394531
1975	24.9756393432617
1976	26.9668292999268
1977	32.1903190612793
1978	34.3579216003418
1979	36.5802917480469
1980	39.0837287902832
1981	44.1464385986328
1982	49.1209716796875
1983	51.6376800537109
1984	54.1455917358398
1985	53.8816795349121
1986	56.5047988891602
1987	56.9330215454102
1988	56.8974189758301
1989	56.814151763916
1990	55.8728713989258
1991	55.2909698486328
1992	54.375358581543
1993	55.4712181091309
1994	57.1841697692871
1995	59.3910484313965
1996	61.4567108154297
1997	63.5484580993652
1998	67.3169631958008
1999	69.7381973266602
2000	71.6285171508789
2001	73.8780212402344
2002	76.8405380249023
2003	81.2989120483398
2004	82.1962890625
2005	83.1119232177734
2006	85.4489822387695
2007	87.0050735473633
2008	89.310188293457
2009	89.4026565551758
2010	90.5796508789062
2011	91.5306701660156
2012	93.8122711181641
2013	96.0909271240234
2014	100.276077270508
2015	104.495323181152
2016	106.824447631836
2017	109.083389282227
2018	110.51097869873
2019	110.386650085449
2020	107.480339050293
2021	103.972526550293
2022	104.8212890625