Year	% gross
1970	83.3967819213867
1971	84.8174209594727
1972	83.4369735717773
1973	87.7132263183594
1974	89.369758605957
1975	91.2819366455078
1976	93.8288269042969
1977	95.1969985961914
1978	98.3374176025391
1979	101.866691589355
1980	95.4035415649414
1981	78.4836883544922
1982	89.0353164672852
1983	92.3194274902344
1984	94.884651184082
1987	103.255081176758
1988	103.533180236816
1989	98.4462814331055
1991	91.6054992675781
1992	92.6502227783203
1993	91.7870330810547
1995	93.3832015991211
1996	100.29647064209
1997	70.7526168823242
1998	102.777351379395
1999	103.595420837402
2000	103.952262878418
2001	106.214256286621
2002	107.704902648926
2003	111.750007629395
2004	115.228866577148
2005	115.297302246094
2006	114.444801330566
2007	121.791137695312
2008	111.471878051758
2009	109.82788848877
2010	109.252861022949
2011	108.251556396484
2012	107.229919433594
2013	106.357208251953
2014	105.257926940918
2015	103.283248901367
2016	101.427101135254
2017	94.8420028686523
2018	93.5790023803711
2019	89.1340026855469
2023	90.9670028686523