Year	% gross
1981	86.4529800415039
1982	86.3503570556641
1983	86.2371597290039
1984	86.3734817504883
1985	86.7162399291992
1986	87.3785400390625
1987	87.3872528076172
1988	87.4377136230469
1989	87.0209426879883
1990	86.9655990600586
1991	85.466667175293
1992	84.2200088500977
1993	83.3245697021484
1994	82.6466903686523
1995	82.9073104858398
1996	82.8717727661133
1997	83.0859985351562
1998	84.0920867919922
1999	84.7520904541016
2000	86.3221435546875
2001	88.4832534790039
2002	90.033447265625
2003	91.2973937988281
2004	88.5797576904297
2005	87.000862121582
2006	88.3303604125977
2007	89.0292205810547
2008	89.5002136230469
2009	89.1880035400391
2010	90.6264114379883
2011	91.7158126831055
2012	92.1242523193359
2013	97.1307830810547
2014	98.0424728393555
2015	98.0929489135742
2016	98.4668273925781
2017	99.4163513183594
2018	99.8942184448242
2019	99.7887420654297
2020	98.9568099975586
2021	98.5925216674805
2022	98.6556625366211