Year	% gross
1970	35.5434799194336
1971	36.9008407592773
1972	37.0960083007812
1973	39.2025108337402
1974	42.5469093322754
1975	42.4490585327148
1976	34.6704902648926
1978	44.541561126709
1979	48.4982299804688
1980	53.8841781616211
1981	62.2490692138672
1982	73.751350402832
1983	75.7526016235352
1985	112.119621276855
1986	109.986862182617
1987	108.274597167969
1988	108.39518737793
1989	109.938209533691
1991	114.296829223633
1992	118.710693359375
1993	119.399047851562
1994	120.401252746582
1995	114.405227661133
1996	118.999740600586
1998	110.452369689941
1999	83.3924331665039
2000	85.8210525512695
2001	77.705322265625
2002	79.4105911254883
2003	82.505012512207
2004	81.5267486572266
2005	85.4687194824219
2006	76.7913436889648
2007	79.8882675170898
2008	76.5872268676758
2009	73.9669418334961
2010	70.6717071533203
2011	67.5654907226562
2012	73.0656814575195
2013	74.4464416503906
2014	75.3367919921875
2015	79.4567108154297
2016	83.3551177978516
2017	82.887580871582
2018	80.7223815917969
2019	78.3326263427734
2020	79.2056579589844
2021	78.5916137695312
2022	80.1137466430664