Year	% gross
1971	0.624899983406067
1973	0.673969984054565
1976	1.20829999446869
1977	1.09363996982574
1978	1.2284300327301
1979	1.31916999816895
1986	2.98866009712219
1987	2.81319999694824
1989	2.88443994522095
1990	2.80781006813049
1991	2.68278002738953
1994	2.36466002464294
1995	2.00126004219055
1996	1.85327994823456
1997	1.68158996105194
1998	1.91624999046326
1999	1.88796997070312
2000	1.95502996444702
2001	1.80687999725342
2002	1.8373099565506
2003	1.99995994567871
2004	2.41729998588562
2005	2.49300003051758
2006	2.64038991928101
2007	3.02084994316101
2008	3.11571002006531
2009	3.32663989067078
2010	3.49456000328064
2011	3.90151000022888
2012	3.93990993499756
2013	4.12743997573853
2014	4.58259010314941
2015	4.54239988327026
2016	4.6153998374939
2017	5.10404014587402
2018	5.24006986618042
2019	5.48808002471924
2020	5.63265991210938
2021	5.53599977493286
2022	6.2095799446106