Year	% gross
1970	2.14931988716125
1971	8.19760990142822
1972	8.0631799697876
1974	12.2579898834229
1976	16.7220191955566
1977	18.7145195007324
1978	18.8114395141602
1979	22.016149520874
1982	35.4053611755371
1983	38.7839012145996
1984	40.970458984375
1985	42.0724296569824
1986	39.4296913146973
1988	43.9243392944336
1991	37.5877113342285
1992	41.9969100952148
1993	51.1052017211914
1994	54.8644485473633
1995	59.4622001647949
1996	63.7218399047852
1997	67.9507293701172
1998	70.8766021728516
1999	73.522346496582
2000	75.9070205688477
2001	78.2165069580078
2002	80.530387878418
2003	84.3657531738281
2004	89.2131881713867
2005	92.6930465698242
2006	97.8978729248047
2007	102.555526733398
2008	107.337860107422
2009	112.427062988281
2010	115.340621948242
2011	115.755058288574
2012	114.574340820312
2013	107.602813720703
2014	105.543357849121
2015	103.886001586914
2016	102.255638122559
2017	101.061996459961
2018	100.945999145508
2019	100.09700012207
2020	106.592002868652
2021	107.028999328613
2022	107.944999694824