Year	% gross
1971	16.0602893829346
1972	15.7180299758911
1973	16.3634796142578
1974	16.3155307769775
1975	16.9692897796631
1976	17.2665596008301
1977	17.6900596618652
1985	18.3824195861816
1986	21.7609100341797
1987	21.4779891967773
1988	26.4635105133057
1989	27.3741493225098
1990	31.6289501190186
1991	33.1805992126465
1992	35.9485397338867
1993	33.9836311340332
1994	32.1378898620605
1995	31.0489292144775
1996	32.570068359375
1997	37.547981262207
1998	42.8797492980957
1999	45.2791900634766
2000	48.3455390930176
2001	51.5306587219238
2002	55.4871788024902
2003	58.0443992614746
2004	60.5158004760742
2005	58.9193992614746
2006	58.7538909912109
2007	58.7009506225586
2008	65.6775588989258
2009	69.7675933837891
2010	71.3175964355469
2011	78.0206069946289
2012	81.9802627563477
2013	88.4221801757812
2014	88.9957580566406
2015	80.3825988769531
2016	75.6263198852539
2017	67.3644180297852
2018	77.6680679321289
2019	76.620719909668
2021	80.3884201049805
2022	81.8067092895508