Year	% gross
1981	25.7177200317383
1986	41.3094100952148
1989	28.2998294830322
1990	26.5905094146729
1992	31.8805694580078
1993	29.9566707611084
1994	30.006799697876
1995	30.6011505126953
1996	34.0179214477539
1997	38.248908996582
1998	45.4887084960938
1999	51.1287689208984
2000	61.8993606567383
2001	69.8163070678711
2002	77.3059310913086
2003	84.9788436889648
2004	91.5104522705078
2005	97.5385589599609
2006	100.451858520508
2007	100.372177124023
2008	104.033790588379
2009	107.205062866211
2010	104.551567077637
2011	101.427978515625
2012	95.5258865356445
2013	88.2805709838867
2014	84.183219909668
2015	82.6765823364258
2016	82.5494766235352
2017	84.0010375976562
2018	85.7025527954102
2019	84.4991989135742
2020	84.0328598022461
2021	86.6187591552734