Year	% of revenue
1992	0.07400098667982247
1993	0.016977928692699498
1994	0.7988085567289447
2002	4.132640877439534
2003	4.303373062309001
2004	4.425082212884007
2005	4.30090857415564
2006	3.595719707356282
2007	3.142995713702726
2008	1.803942607372586
2009	0.2472384430599066
2010	0.2486033248356068
2011	0.2712305976062592
2012	0.2383589415756557
2013	0.3077568071309293
2014	0.2170983650159658
2015	0.1855241948228452
2016	0.2021532340220076
2017	0.18850265798484406
2018	0.17637803727918713
2019	0.18271270690373784
2020	0.18415573207059727
2021	0.1848504030862897
2022	0.18537438195858819