Year	% gross
1980	1.06958997249603
1981	1.42041003704071
1982	1.37123000621796
1983	1.45776998996735
1986	1.91648995876312
1987	1.94743001461029
1988	2.03853988647461
1989	2.10373997688293
1990	2.1165599822998
1991	2.22045993804932
1992	2.26387000083923
1993	2.23536992073059
1994	2.17617988586426
1996	2.33388996124268
1997	2.15401005744934
1998	2.25808000564575
1999	2.76547002792358
2000	2.76023006439209
2001	3.29233002662659
2002	2.90290999412537
2003	2.99128007888794
2004	5.22468996047974
2005	7.36486005783081
2006	8.68148994445801
2007	8.7757396697998
2008	9.84630012512207
2009	10.5355701446533
2010	12.0143604278564
2011	12.6218299865723
2012	13.4041299819946
2013	14.1612901687622
2014	14.1668701171875
2015	14.497389793396
2016	15.1908702850342
2017	15.5569496154785
2018	15.9024801254272
2019	15.9510698318481
2020	15.9251298904419
2021	16.3514709472656
