Year	% gross
1989	55.47119140625
1990	56.0348587036133
1991	55.0710792541504
1992	53.35498046875
1993	50.1501617431641
1994	44.7546882629395
1995	43.7462997436523
1996	42.9169616699219
1997	41.1497116088867
1998	39.1203918457031
1999	35.6298294067383
2000	35.3935317993164
2001	36.0592308044434
2002	37.2419891357422
2003	39.6385307312012
2004	40.6432304382324
2005	41.7818717956543
2006	43.6849708557129
2007	45.6144905090332
2008	48.1418304443359
2009	49.3124008178711
2010	50.7858810424805
2011	52.2375106811523
2012	53.608268737793
2013	53.048770904541
2014	54.1634216308594
2015	55.2603607177734
2016	56.1727104187012
2017	57.1111297607422
2018	58.312370300293
2019	59.3973083496094
2020	61.3523712158203