Year	% gross
1970	27.6984901428223
1971	28.8686294555664
1972	31.9595699310303
1973	34.1804504394531
1974	39.449390411377
1975	41.4091186523438
1976	44.342830657959
1977	46.8884315490723
1978	48.2981414794922
1979	49.1801910400391
1980	50.1008682250977
1981	50.7962913513184
1982	51.5696487426758
1983	52.6026611328125
1984	53.4516792297363
1985	53.9231910705566
1986	55.3417701721191
1987	56.1344108581543
1988	56.8959007263184
1989	57.4377899169922
1990	57.8130989074707
1991	58.7421798706055
1992	59.6996612548828
1993	60.0146598815918
1994	61.1166801452637
1995	62.5455703735352
1996	64.397087097168
1997	65.5249786376953
1998	67.9064025878906
1999	70.0726318359375
2000	71.7924194335938
2001	73.5583267211914
2002	86.0044174194336
2003	83.6640090942383
2004	85.5861663818359
2005	86.0225830078125
2006	80.8906021118164
2007	85.9953994750977
2008	87.2970428466797
2009	88.3808898925781
2010	89.3507690429688
2011	89.7809982299805
2012	89.2719573974609
2013	94.1670684814453
2014	94.2632217407227
2015	94.4998474121094
2016	95.5268936157227
2017	96.0010070800781
2018	97.1542510986328
2019	97.0516815185547
2020	96.4701232910156
2021	96.7210006713867
2022	96.901123046875