Year	% gross
1971	28.0461807250977
1972	35.0908088684082
1973	32.2827186584473
1974	33.2196884155273
1975	68.5955581665039
1976	71.9822082519531
1977	72.874382019043
1978	74.7441024780273
1979	74.7748413085938
1980	74.077278137207
1981	70.0845031738281
1982	71.1112899780273
1983	70.7463912963867
1984	82.7523422241211
1985	80.5885772705078
1986	80.2330474853516
1987	82.3454284667969
1988	83.5000381469727
1989	83.005256652832
1990	85.9387817382812
1991	91.5013122558594
1992	95.5765914916992
1993	99.5613174438477
2002	109.39958190918
2003	113.686790466309
2004	105.866851806641
2005	100.071769714355
2007	113.269729614258
2008	113.261878967285
2009	104.539421081543
2010	113.011009216309
2013	103.676170349121
2014	103.310699462891
2015	101.162788391113
2016	102.078239440918