Year	% gross
1971	0.0390300005674362
1972	0.0497800000011921
1973	0.0590599998831749
1974	0.0916299968957901
1975	0.106640003621578
1976	0.211359992623329
1977	0.189419999718666
1978	0.227160006761551
1979	0.23139999806881
1980	0.213459998369217
1981	0.276939988136292
1982	0.41923999786377
1983	0.488290011882782
1984	0.522310018539429
1985	0.572030007839203
1986	0.590740025043488
1987	0.617950022220612
1988	0.660019993782043
1989	0.739049971103668
1990	0.747370004653931
1991	0.699159979820251
1992	0.935159981250763
1993	1.09236001968384
1994	1.06678998470306
1995	1.11038994789124
1996	1.06682002544403
1997	0.977540016174316
1999	0.991050004959106
2001	1.122230052948
2002	1.35122001171112
2003	1.51733005046844
2005	2.16083002090454
2006	2.2746000289917
2007	2.42068004608154
2008	2.94471001625061
2009	3.28111004829407
2010	3.36725997924805
2011	3.94350004196167
2012	4.3672399520874
2013	4.60237979888916
2014	4.92263984680176
2015	4.9262900352478
2016	5.42630004882812
2017	5.85665988922119
2018	6.34666013717651
2019	6.93696022033691
2020	7.6837100982666
2021	9.36093997955322
2022	9.73007965087891