Year	% gross
1981	18.9270896911621
1982	18.8366794586182
1983	18.505729675293
1984	17.9217796325684
1985	18.0142402648926
1986	16.9404296875
1987	15.9233102798462
1988	17.3483104705811
1989	17.5953006744385
1990	20.2009792327881
1991	21.4310607910156
1992	22.4680309295654
1997	25.7933902740479
1998	33.5730400085449
1999	37.5469284057617
2000	40.425479888916
2001	47.7034683227539
2002	51.2755889892578
2003	53.4487380981445
2004	55.3287010192871
2005	54.4265098571777
2006	53.5765991210938
2007	51.5432281494141
2008	50.2491683959961
2009	51.8395004272461
2010	50.4341583251953
2011	51.7915916442871
2012	52.4278297424316
2013	55.1698112487793
2014	58.6704902648926
2015	58.4065017700195
2016	64.0849304199219
2017	72.0232009887695
2018	75.4328308105469
2019	79.9168090820312
2020	80.6487197875977
2021	79.0997619628906
2022	75.09765625