Year	% gross
1993	22.436990737915
1994	22.5909194946289
1995	24.144229888916
1996	25.1634693145752
1997	25.2579002380371
1998	25.2316799163818
1999	26.5848503112793
2000	28.5077896118164
2001	28.9525108337402
2002	28.8042507171631
2003	29.8123397827148
2004	31.0291194915771
2005	32.0354385375977
2006	34.0188903808594
2007	37.2176513671875
2008	21.6971702575684
2009	23.1417694091797
2010	24.2068996429443
2011	25.4168395996094
2012	28.6423606872559
2013	31.0546207427979
2014	34.2236213684082
2015	35.9880218505859
2017	40.9835090637207
2018	41.8306999206543
2019	41.8985404968262
2020	31.04128074646