Year	% gross
1983	15.8170499801636
1984	16.9737606048584
1985	18.6231994628906
1986	20.9424991607666
1987	22.3743705749512
1988	23.6737003326416
1989	23.4230995178223
1990	22.6152591705322
1991	23.3933696746826
1992	24.0577793121338
1993	24.8189296722412
1994	25.2998905181885
1995	26.2737407684326
1996	27.2865009307861
1997	28.6463603973389
1998	39.9076995849609
1999	42.8608207702637
2000	42.8730888366699
2001	43.2328300476074
2002	40.2425498962402
2003	40.1093902587891
2004	40.8218116760254
2005	41.8651695251465
2006	43.8959617614746
2007	46.2690086364746
2008	48.666561126709
2009	51.3039093017578
2010	53.9207801818848
2011	58.6999588012695
2012	65.9358673095703
2013	69.8699111938477
2014	72.5450973510742
2015	74.4843063354492
2016	77.3542022705078
2017	79.3314666748047
2018	82.1650238037109
2019	82.6857528686523
2020	82.8122406005859