Year	% gross
1981	80.6885681152344
1984	84.3794403076172
1986	86.55859375
1989	93.9159927368164
1991	85.2397766113281
1992	75.5326690673828
1993	76.0336990356445
1994	75.0914764404297
1995	73.1136474609375
1996	70.5597915649414
1997	75.3813629150391
1998	77.7269287109375
1999	80.2597427368164
2000	81.1929092407227
2001	81.0515670776367
2002	83.677978515625
2003	88.9924087524414
2004	94.3501129150391
2005	96.6073226928711
2006	94.0185699462891
2007	93.7204513549805
2008	92.830207824707
2009	90.9192581176758
2010	90.9297027587891
2011	90.2337112426758
2012	91.1705017089844
2013	91.9133224487305
2014	91.6339416503906
2015	93.1173934936523
2016	93.7043991088867
2017	95.2152633666992
2018	97.3313369750977
2019	100.039192199707
2020	101.775810241699