Year	% gross
1991	4.89544010162354
1994	5.02353000640869
1995	4.65268993377686
1997	4.19674015045166
1998	4.39231014251709
1999	5.2178897857666
2000	6.22846984863281
2001	7.65035009384155
2002	8.84552955627441
2003	8.75576019287109
2004	10.309760093689
2005	10.1089296340942
2006	11.0908298492432
2007	12.1397199630737
2008	12.9572696685791
2010	12.4181699752808
2011	11.0207185745239
2012	12.4662981033325
2013	12.621958732605
2014	15.4048461914063
2015	15.1712131500244
2016	16.0882434844971
2017	17.5515766143799
2018	19.0034675598145
2019	20.2948837280273
2020	26.9731197357178
2021	32.6907043457031