Year	% gross
1972	20.8662109375
1973	22.7641906738281
1974	26.8214797973633
1975	33.441951751709
1978	63.1001091003418
1979	69.9910202026367
1980	81.4631118774414
1981	81.7842483520508
1982	82.7346725463867
1983	81.1309661865234
1984	82.1982116699219
1985	83.6676635742188
1986	86.3081893920898
1987	88.278938293457
1988	91.5277099609375
1989	96.0851669311523
1990	98.3636016845703
1991	99.8636703491211
1992	98.9118881225586
1993	94.6397018432617
1994	88.6735992431641
1995	84.9336013793945
1996	85.859489440918
1997	87.878532409668
1999	82.9510879516602
2000	84.4166717529297
2001	87.0763092041016
2002	88.6735534667969
2003	91.3548202514648
2004	92.3571929931641
2005	93.7016372680664
2006	94.6019897460938
2007	93.7577362060547
2008	93.4443817138672
2009	92.3081436157227
2010	92.1481628417969
2011	91.7619400024414
2012	91.0732879638672
2013	90.9163284301758
2014	96.9803009033203
2015	97.6293487548828
2016	99.459602355957
2017	100.126007080078
2018	100.892478942871
2019	101.604133605957
2020	102.434982299805
2021	100.066841125488
2022	104.418449401855