Year	% gross
1983	20.3306102752686
1984	21.9376106262207
1985	23.9743404388428
1986	26.4925594329834
1987	29.4537792205811
1988	30.358850479126
1989	30.1411590576172
1990	30.0169296264648
1991	30.113639831543
1992	30.6280097961426
1993	31.0043392181396
1994	30.5441303253174
1995	31.4542102813721
1996	32.5989112854004
1997	34.0444488525391
1998	44.0331192016602
1999	44.7363014221191
2000	45.1514091491699
2001	45.5329093933105
2002	43.1272087097168
2003	43.013069152832
2004	43.6061706542969
2005	44.6437911987305
2006	46.5707817077637
2007	48.3699798583984
2008	50.5890617370605
2009	52.6240615844727
2010	55.903881072998
2011	59.9747009277344
2012	65.0432281494141
2013	66.2951736450195
2014	68.5880737304688
2015	70.2428970336914
2016	72.8295516967773
2017	74.5943832397461
2018	76.5635833740234
2019	77.1738204956055
2020	77.8218307495117