Year	% gross
1970	111.430572509766
1971	115.646949768066
1972	112.766052246094
1973	113.938552856445
1974	105.729248046875
1975	103.417900085449
1976	104.369270324707
1977	105.826599121094
1978	110.861953735352
1979	106.07837677002
1980	107.247680664062
1981	122.60604095459
1983	106.01587677002
1984	104.511177062988
1985	105.532188415527
1986	105.41153717041
1987	106.350250244141
1988	107.37239074707
1989	108.860527038574
1990	109.421012878418
1991	108.981826782227
1992	108.57731628418
1993	108.523017883301
1994	108.456993103027
1995	108.627632141113
1996	108.934288024902
1997	114.047752380371
1998	113.575248718262
1999	113.14282989502
2000	108.886650085449
2001	108.239288330078
2002	109.629997253418
2003	109.523216247559
2004	109.448318481445
2005	109.457290649414
2006	110.039398193359
2007	109.53694152832
2008	109.175727844238
2009	108.981071472168
2010	108.274642944336
2011	109.136207580566
2012	108.251121520996
2013	108.28150177002
2014	108.205467224121
2015	107.997489929199
2016	106.861396789551
2017	106.200210571289
2018	104.764770507812
2019	104.135452270508
2020	104.781227111816
2021	107.103523254395
2022	105.216003417969