Year	% gross
1971	91.7118988037109
1972	92.0796203613281
1973	93.4847030639648
1974	96.8291473388672
1975	97.4098968505859
1976	99.1226806640625
1977	100.291648864746
1978	102.09806060791
1979	106.979759216309
1980	108.151138305664
1981	112.73282623291
1983	116.401420593262
1984	118.102447509766
1985	117.378448486328
1986	117.868659973145
1987	119.363059997559
1988	119.564102172852
1993	120.413398742676
1994	104.98388671875
1995	105.239776611328
1996	106.051513671875
1997	109.33683013916
1998	108.238151550293
1999	108.429626464844
2000	108.855781555176
2001	109.971328735352
2002	110.669769287109
2003	110.158348083496
2004	109.534950256348
2005	109.229476928711
2006	109.055648803711
2007	110.570793151855
2008	109.467651367188
2009	113.502380371094
2010	113.908340454102
2011	114.694137573242
2012	112.732711791992
2013	111.230407714844
2014	112.196960449219
2015	106.703437805176
2016	103.86759185791
2017	102.228408813477
2018	101.812881469727
2019	100.015083312988
2020	98.5996627807617
2021	97.7685394287109
2022	98.7797164916992