Year	% gross
1995	1.52416002750397
1998	1.07071995735168
1999	0.852500021457672
2000	1.1026599407196
2005	1.35627996921539
2007	0.766560018062592
2008	1.08805000782013
2010	2.32437252998352
2011	5.85582208633423
2012	9.45258522033691
2013	14.3842401504517
2014	19.3813495635986
2015	23.640661239624
2016	28.9610500335693
2017	29.8017559051514
2018	34.6321754455566
2019	35.7308959960938
2020	32.6205863952637
2021	51.7517776489258