Year	% gross
1971	74.2998733520508
1972	76.3592376708984
1973	77.5714874267578
1974	79.0025100708008
1975	81.3146209716797
1976	82.2310333251953
1977	83.1028213500977
1978	83.8100814819336
1979	84.035530090332
1980	84.3322525024414
1981	84.6537094116211
1982	83.0882263183594
1983	82.0008010864258
1984	82.3292007446289
1985	83.582649230957
1986	83.4561920166016
1987	84.1103363037109
1988	85.2906494140625
1989	84.3573837280273
1990	85.3475570678711
1991	85.4664535522461
1992	86.2679977416992
1993	94.0796203613281
1994	95.6732711791992
1995	94.4389419555664
1996	95.2449798583984
1997	98.3024063110352
1998	98.6170120239258
1999	99.905387878418
2000	100.596076965332
2001	101.693962097168
2002	103.719223022461
2003	106.250358581543
2004	98.4879837036133
2005	101.085952758789
2006	100.597557067871
2007	100.348258972168
2008	99.9508209228516
2009	99.6487579345703
2010	100.207778930664
2011	100.617851257324
2012	100.56485748291
2013	111.516960144043
2014	110.031021118164
2015	109.41478729248
2016	109.117248535156
2017	109.45922088623
2018	110.541938781738
2019	109.753303527832
2020	112.576263427734
2021	105.501426696777
2022	103.676322937012