Year	% gross
1976	102.313247680664
1977	104.55345916748
1978	102.418098449707
1979	101.118209838867
1980	110.248107910156
1981	95.5093078613281
1982	83.9944076538086
1984	115.013023376465
1985	103.768028259277
1986	97.5081634521484
1987	115.398391723633
1988	111.727653503418
1989	110.561256408691
1990	112.055877685547
1991	109.071472167969
1992	107.737182617188
1993	106.136291503906
1994	106.870941162109
1995	106.123718261719
1998	96.6085586547852
2000	108.510643005371
2001	108.804420471191
2002	105.05785369873
2003	105.335571289062
2004	108.742797851562
2005	107.66609954834
2007	105.972221374512
2008	114.159286499023
2009	114.43074798584
2010	115.600448608398
2011	114.978820800781
2012	112.876708984375
2013	111.376289367676
2014	110.704231262207
2015	111.015907287598
2016	110.936859130859
2019	111.488998413086
2021	121.093040466309