Year	% gross
1971	93.172233581543
1972	98.1615676879883
1973	97.3380966186523
1974	95.8771133422852
1975	97.7329483032227
1976	101.215728759766
1977	102.531120300293
1978	102.600250244141
1979	110.55020904541
1980	113.25895690918
1981	115.656806945801
1982	118.755500793457
1983	111.515670776367
1984	113.129386901855
1985	120.231048583984
1986	120.389549255371
1991	100.398338317871
1992	100.768348693848
1993	102.558448791504
1994	101.333992004395
1995	98.7634735107422
1996	102.050827026367
1997	100.768127441406
1998	107.753921508789
1999	110.577728271484
2000	115.308647155762
2002	117.968330383301
2003	115.68123626709
2004	107.716453552246
2005	108.274391174316
2006	103.604438781738
2007	113.676666259766
2008	109.525123596191
2009	111.815872192383
2010	110.49796295166
2011	110.20068359375
2012	108.469017028809
2013	109.52823638916
2014	108.064552307129
2015	112.013488769531
2016	110.704879760742
2017	108.019439697266
2018	105.8583984375
2019	112.333610534668
2020	105.925239562988
2021	96.8704605102539
2022	100.492286682129