Year	% gross
1970	3.12232995033264
1971	3.00429010391235
1972	3.11937999725342
1973	3.19962000846863
1974	3.40693998336792
1975	3.63717007637024
1976	3.97886991500854
1977	4.15392017364502
1978	4.50382995605469
1979	5.11915016174316
1980	5.72624015808105
1981	6.22975015640259
1982	6.43908023834229
1983	6.39298009872437
1984	6.44775009155273
1985	6.48417997360229
1986	6.81519985198975
1987	7.17286014556885
1988	7.17756986618042
1989	7.31188011169434
1990	7.36156988143921
1991	7.46501016616821
1992	7.6592698097229
1993	8.44935035705566
1994	9.64243984222412
1995	10.7267503738403
1996	11.773980140686
1997	13.2770004272461
1998	13.954400062561
1999	14.8459501266479
2000	15.5691604614258
2001	16.5900497436523
2002	18.2933597564697
2003	20.1341705322266
2004	21.7988700866699
2005	23.1167907714844
2006	24.4265403747559
2007	25.3554401397705
2008	26.0655708312988
2009	27.300989151001
2010	29.0438098907471
2011	30.5875396728516
2012	32.7781295776367
2013	35.2945098876953
2014	42.3493309020996
2015	44.8542289733887
2016	46.5934791564941
2017	47.2273788452148
2018	48.0726318359375
2019	50.1408615112305
2020	53.3020401000977
2021	56.6144981384277
2022	59.4187316894531