Year	% gross
1970	24.8170604705811
1971	26.372579574585
1972	29.6644592285156
1973	31.8203392028809
1974	37.6774787902832
1975	40.762149810791
1976	43.8595809936523
1977	45.8947410583496
1978	47.4374885559082
1979	48.2050399780273
1980	49.0989685058594
1981	50.2225494384766
1982	51.3122406005859
1983	52.1448287963867
1984	52.8668899536133
1985	53.1784591674805
1986	54.9575996398926
1987	55.8780403137207
1988	56.8126106262207
1989	57.6864395141602
1990	58.4926795959473
1991	59.3282814025879
1992	60.2373008728027
1993	61.1523590087891
1994	62.3810005187988
1995	63.9548683166504
1996	65.6194610595703
1997	67.0203399658203
1998	69.5986709594727
1999	72.0228271484375
2000	73.6655807495117
2001	75.4963836669922
2002	89.4855728149414
2003	87.1338729858398
2004	89.0694122314453
2005	89.5923461914062
2006	83.8067779541016
2007	89.7087020874023
2008	91.187629699707
2009	92.3081665039062
2010	93.0832138061523
2011	93.3740081787109
2012	92.3796310424805
2013	96.9037628173828
2014	97.0155334472656
2015	97.1268692016602
2016	98.1516189575195
2017	98.4597015380859
2018	99.7228698730469
2019	99.6843490600586
2020	99.1173400878906
2021	99.9361877441406
2022	99.6225128173828