Year	% of revenue
2007	0.02093265590563375
2008	0.02120336364313391
2009	0.011040993267349267
2010	0.008798166904073337
2011	0.0389342988551531
2012	0.01434350250041873
2013	0.008258631300883508
2014	0.02457816640124596
2015	0.008823454868800294
2016	0.006415370296407796
2017	0.016240067368278866
2018	0.0346606180234686
2019	0.021321928322366353
2020	0.015381712702218898
2021	0.015381712702218898
2022	0.015052695775132529