Year	% gross
1970	84.3311080932617
1971	84.5211868286133
1972	85.3765182495117
1973	86.1313018798828
1974	86.6464309692383
1975	87.0444869995117
1976	87.0741500854492
1977	87.3359527587891
1978	87.4861907958984
1979	87.5877685546875
1980	87.4410018920898
1981	87.4323120117188
1982	87.2973937988281
1983	87.1694107055664
1984	87.3280181884766
1985	87.780143737793
1986	88.5038375854492
1987	88.6347808837891
1988	88.8424072265625
1989	88.538330078125
1990	88.4037017822266
1991	86.7890090942383
1992	85.4897003173828
1993	84.7656631469727
1994	83.9485931396484
1995	84.3272094726562
1996	84.2592391967773
1997	84.4570999145508
1998	85.7235870361328
1999	86.6992568969727
2000	88.1392669677734
2001	90.7710189819336
2002	92.4794769287109
2003	93.8821716308594
2004	90.6784210205078
2005	88.9621505737305
2006	90.1296310424805
2007	90.7666702270508
2008	91.090446472168
2009	90.4563980102539
2010	92.0018615722656
2011	93.1738586425781
2012	93.1541595458984
2013	98.04541015625
2014	98.8685073852539
2015	99.0649108886719
2016	99.1222915649414
2017	100.556770324707
2018	100.73365020752
2019	100.77124786377
2020	99.9524765014648
2021	99.3596267700195
2022	99.5407867431641