Year	% gross
1985	52.3811302185059
1986	52.9488296508789
1987	54.0140190124512
1988	54.730770111084
1989	55.123348236084
1990	55.4851608276367
1991	54.2136497497559
1992	52.3957214355469
1993	49.5512199401855
1994	44.8048896789551
1995	44.1913414001465
1996	43.5969314575195
1997	42.2222290039063
1998	40.7621994018555
1999	38.0460395812988
2000	37.9822692871094
2001	38.6711502075195
2002	39.7874298095703
2003	42.1147804260254
2004	43.0584487915039
2005	44.2849884033203
2006	46.1639404296875
2007	48.0814208984375
2008	50.4473190307617
2009	51.7726516723633
2010	53.4579315185547
2011	54.981990814209
2012	56.4035110473633
2013	56.0031890869141
2014	57.0550689697266
2015	57.9886817932129
2016	58.711238861084
2017	59.5322303771973
2018	61.0693817138672
2019	62.3920516967773
2020	64.2806701660156