Year	% gross
1970	68.5646133422852
1971	70.4112930297852
1972	69.3794479370117
1973	70.5948867797852
1974	69.8379821777344
1975	71.3530883789062
1976	73.3655471801758
1977	72.2995910644531
1978	70.1930313110352
1979	75.5394973754883
1980	83.7797927856445
1982	84.5398178100586
1983	86.3394775390625
1984	83.4803771972656
1985	85.394401550293
1986	82.5501022338867
1987	84.5662078857422
1988	85.0200881958008
1989	82.6705017089844
1990	86.0815734863281
1991	89.9749984741211
1992	92.3226470947266
1993	95.2053680419922
1994	97.4563674926758
1995	96.0057601928711
1996	94.6379699707031
1997	95.7441024780273
1998	95.6276397705078
1999	100.711479187012
2000	101.066307067871
2001	104.149940490723
2002	110.59449005127
2003	111.069091796875
2004	113.051712036133
2005	113.975448608398
2006	117.260429382324
2007	116.375640869141
2008	116.156532287598
2010	115.129791259766
2011	115.790000915527
2012	113.647003173828
2013	111.153999328613
2014	110.61499786377
2015	107.672996520996
2016	111.59700012207
2017	112.852996826172
2018	110.157997131348
2019	108.948997497559
2020	107.901000976562
2021	107.180000305176