Year	% gross
1971	59.0612411499023
1972	64.0326080322266
1973	66.0256423950195
1974	71.7397079467773
1980	153.216613769531
1981	135.969314575195
1982	127.038291931152
1983	114.561050415039
1984	99.758430480957
1985	78.5105895996094
1986	84.5781784057617
1987	84.4925689697266
1988	82.7556381225586
1989	82.3476715087891
1990	77.0995407104492
1991	70.3592910766602
1992	67.4627685546875
1998	74.1648483276367
2007	104.233329772949
2008	111.10994720459
2009	110.201789855957
2010	111.87287902832
2011	126.245147705078
2015	119.14225769043
2016	107.027000427246
2017	122.235000610352
2018	88.5749969482422
