Year	% of revenue
1995	0.7053844345168117
2002	2.2544673279570975
2003	0.8842622198272063
2004	0.7342667851066879
2005	0.5492815982900413
2006	2.042360421861037
2007	2.275298579858976
2008	1.0102004392263528
2009	1.146442092256722
2010	0.8764269377512778
2011	0.9343601078166974
2012	0.9153514392981383
2013	0.6965049519728532
2014	1.1967079655255544
2015	1.1427512533255155
2016	1.266584093126517
2017	1.2229561249399854
2018	0.8908861924185894
2019	0.7055827578068086
2020	1.3674405256621531
2021	4.547598507353346
2022	3.01519067221401