Year	% gross
1970	25.7376403808594
1971	26.9627494812012
1972	30.0713005065918
1973	32.2987785339355
1974	37.9724197387695
1975	40.0935211181641
1976	43.1630516052246
1977	45.8129386901855
1978	47.1828117370605
1979	48.0535583496094
1980	49.0273513793945
1981	49.7512588500977
1982	50.8543815612793
1983	51.5125999450684
1984	52.3198509216309
1985	52.6868896484375
1986	54.1541481018066
1987	55.024658203125
1988	55.8263206481934
1989	56.5259704589844
1990	57.0194091796875
1991	57.5288887023926
1992	58.5561408996582
1993	59.400218963623
1994	60.5710906982422
1995	62.0796012878418
1996	64.0455474853516
1997	65.345458984375
1998	67.793342590332
1999	70.0680618286133
2000	71.6608123779297
2001	73.3385925292969
2002	86.6936569213867
2003	84.0463027954102
2004	86.0298080444336
2005	86.3996505737305
2006	80.6727523803711
2007	86.210823059082
2008	87.5768508911133
2009	88.7476501464844
2010	89.7237396240234
2011	90.1514663696289
2012	89.5064697265625
2013	94.2413101196289
2014	94.3438110351562
2015	94.6231536865234
2016	95.8879013061523
2017	96.4578170776367
2018	97.5757675170898
2019	97.298210144043
2020	96.574462890625
2021	96.6612930297852
2022	96.7257690429688