Year	% gross
1970	1.65838003158569
1971	1.72870004177094
1972	1.75839996337891
1973	1.77565002441406
1974	1.79662001132965
1975	1.82113003730774
1976	1.85239005088806
1977	1.94052004814148
1978	2.02942991256714
1979	2.11078000068665
1980	2.16360998153687
1981	2.2696099281311
1982	2.3570499420166
1983	2.38912010192871
1984	2.44391989707947
1985	2.5127899646759
1986	2.57518005371094
1987	2.63543009757996
1988	2.77444005012512
1989	2.80245995521545
1990	2.92428994178772
1991	2.86096000671387
1992	2.79861998558044
1993	2.93585991859436
1994	3.06391000747681
1995	3.20274996757507
1996	3.33421993255615
1997	3.46645998954773
1998	3.60590004920959
1999	3.75738000869751
2000	4.04756021499634
2001	4.2909197807312
2002	4.57228994369507
2003	4.82915019989014
2004	5.17609977722168
2005	5.67098999023438
2006	5.72842979431152
2007	5.97601985931396
2008	5.980140209198
2009	6.47444009780884
2010	6.93355989456177
2011	7.39716005325317
2012	7.98071002960205
2013	8.37156963348389
2014	8.71195030212402
2015	8.36581993103027
2016	8.34267997741699
2017	8.50364017486572
2018	8.45331001281738
2019	9.96529006958008
2020	10.3578395843506
2021	10.7880697250366
2022	10.7583703994751