Year	% gross
1970	113.670211791992
1971	100.59546661377
1972	100.467292785645
1973	97.4197463989258
1974	97.3201370239258
1975	109.511871337891
1976	109.669387817383
1977	108.850601196289
1978	111.817100524902
1979	112.82389831543
1981	102.972396850586
1982	101.063278198242
1983	101.113151550293
1984	106.776290893555
1985	109.17603302002
1986	108.241607666016
1990	102.340316772461
1991	102.542701721191
1992	102.169166564941
1993	103.25496673584
1994	101.493713378906
1995	104.154983520508
1996	107.098892211914
1997	106.935928344727
1998	106.068641662598
1999	107.593536376953
2000	105.414192199707
2001	106.573890686035
2002	105.647270202637
2003	109.38111114502
2004	104.789253234863
2005	105.265907287598
2006	104.35294342041
2007	104.142631530762
2008	101.751182556152
2009	102.023460388184
2010	101.081558227539
2011	102.218841552734
2012	105.107147216797
2013	108.40225982666
2014	107.763519287109
2015	107.56078338623
2018	112.966819763184
2019	111.160530090332
2020	110.734001159668
2021	107.648002624512
2022	109.896003723145