Year	% gross
1973	1.27795994281769
1974	1.37919998168945
1975	1.49111998081207
1976	1.63224995136261
1977	1.76665997505188
1978	1.94776999950409
1979	2.34456992149353
1980	2.72206997871399
1981	3.02240991592407
1982	3.3261399269104
1983	3.36279988288879
1984	3.46163988113403
1985	3.48497009277344
1986	3.6693000793457
1987	3.92309999465942
1988	3.94133996963501
1989	4.12021017074585
1990	4.17139005661011
1991	4.31986999511719
1992	4.45019006729126
1993	4.72118997573853
1994	5.42298984527588
1995	6.19434976577759
1996	6.88112020492554
1997	7.91829013824463
1998	8.81884956359863
1999	9.85194969177246
2000	10.6274299621582
2001	11.536789894104
2002	13.5248403549194
2003	15.4404602050781
2004	17.4211006164551
2005	18.8777599334717
2006	20.718900680542
2007	22.2092399597168
2008	23.1686096191406
2009	24.7681407928467
2010	26.7402305603027
2011	28.4530200958252
2012	31.1788291931152
2013	34.2104301452637
2014	42.5542411804199
2015	45.6704406738281
2016	48.0925598144531
2017	48.9727210998535
2018	50.1500701904297
2019	52.6088218688965
2020	55.8712615966797
2021	59.4156913757324
2022	62.3111381530762