Year	% gross
1971	25.6100902557373
1972	36.9055709838867
1977	81.2224502563477
1978	82.7508316040039
1979	82.3574829101562
1980	81.7200927734375
1981	82.8988418579102
1982	85.5477905273438
1983	82.5823822021484
1984	90.8735580444336
1985	89.2059097290039
1986	89.055419921875
1987	90.8348083496094
1988	88.0965270996094
1989	91.9079437255859
1990	93.120491027832
1991	101.380249023438
1992	107.760177612305
1993	110.732299804688
2002	116.387710571289
2003	112.463279724121
2004	110.452690124512
2005	101.976989746094
2007	113.28263092041
2008	109.438163757324
2009	106.097557067871
2010	116.22437286377
2013	103.285293579102
2014	103.351470947266
2015	100.956413269043
2016	103.701179504395