Year	% gross
1973	41.2887802124023
1974	41.4430503845215
1976	51.768871307373
1978	58.5771713256836
1979	51.6552505493164
1986	98.9479827880859
1987	96.4244537353516
1988	98.0571365356445
1989	98.8610534667969
1990	98.7951812744141
1991	95.6445007324219
1992	95.6860427856445
1993	96.7878799438477
1994	99.3296813964844
1995	101.463409423828
1996	103.176536560059
1997	103.253532409668
1998	105.263160705566
1999	102.760353088379
2000	101.14868927002
2001	95.6521682739258
2002	98.7804870605469
2003	95.7756195068359
2004	109.002090454102
2005	95.7300262451172
2007	99.9316864013672
2008	102.462379455566
2009	102.28849029541
2010	108.434600830078
2011	104.350830078125
2012	98.4063720703125
2013	93.3418731689453
2014	96.7601165771484
2015	91.6359176635742
2016	94.1534729003906
2017	94.0642013549805
2018	94.3133697509766
2019	94.6763534545898
2020	94.8733367919922
2021	103.746223449707
