Year	% gross
1991	53.1063499450684
1992	51.1971893310547
1993	45.0754203796387
1994	42.4675598144531
1995	38.4962997436523
1996	34.2191581726074
1997	27.0590305328369
1998	24.5602703094482
1999	23.1275100708008
2000	23.4125709533691
2001	24.2451801300049
2002	26.1153297424316
2003	26.4661903381348
2004	26.6314907073975
2005	26.3265800476074
2006	26.5562896728516
2007	26.520959854126
2008	27.4749507904053
2009	26.2171897888184
2010	25.6112403869629
2011	25.0691699981689
2012	24.428560256958
2013	23.9207801818848
2014	23.9068908691406
2015	24.8785495758057
2016	24.7464408874512
2017	26.0091209411621
2018	27.436559677124
2019	31.9187297821045
2020	40.6677207946777
2021	43.362678527832