Year	% gross
1971	10.1190099716187
1972	10.7518701553345
1973	11.2835597991943
1974	11.950119972229
1975	13.252010345459
1976	13.6495895385742
1977	13.6781196594238
1978	13.4897003173828
1979	13.526309967041
1980	13.6416997909546
1981	13.855170249939
1982	14.3223896026611
1983	18.895959854126
1984	19.1802101135254
1985	19.4118309020996
1986	20.3028507232666
1987	21.5173606872559
1988	22.4312400817871
1989	23.5784606933594
1990	25.8402900695801
1991	28.7134494781494
1992	33.1196784973145
1993	38.663688659668
1994	44.4240303039551
1995	51.7997207641602
1996	53.6198081970215
1997	58.2025909423828
1998	60.3961791992188
1999	64.2477722167969
2000	62.2426300048828
2001	63.1547203063965
2002	68.1401062011719
2003	69.4816131591797
2004	68.7529220581055
2005	68.654899597168
2006	68.4670333862305
2007	67.8979873657227
2008	66.1642227172852
2009	67.713737487793
2010	68.3310012817383
2011	67.8710403442383
2012	67.8665618896484
2013	65.2493591308594
2014	65.1182327270508
2015	65.4824066162109
2016	67.9177093505859
2017	70.1862487792969
2018	72.1610794067383
2019	77.3067626953125
2020	81.6244506835938
2021	88.90087890625
2022	96.7174377441406