Year	% gross
1981	99.1938323974609
1982	99.4226684570312
1983	99.7030715942383
1984	100.021308898926
1985	100.418601989746
1986	101.048217773438
1987	118.180313110352
1988	117.930191040039
1989	117.226188659668
1990	93.8045120239258
1991	95.8551788330078
1992	95.2086486816406
1993	87.7323837280273
1994	83.2302932739258
1995	83.8640899658203
1996	90.3184814453125
1997	97.2764511108398
1998	101.629959106445
1999	103.698921203613
2000	101.699783325195
2001	103.411827087402
2002	104.02027130127
2003	105.016151428223
2004	105.490577697754
2005	104.843978881836
2006	104.261993408203
2007	104.213363647461
2008	103.548599243164
2009	102.918098449707
2010	102.958602905273
2011	102.285652160645
2012	101.048713684082
2013	100.386268615723
2014	99.8528213500977
2015	99.3933181762695
2016	99.1985473632812
2017	99.3678436279297
2018	99.614387512207
2019	99.9834365844727
2020	99.8328475952148
2021	99.7407684326172
2022	99.41796875