Year	% of revenue
2006	0.19023353757373807
2007	0.2464776225175718
2008	0.14545576083783043
2009	0.2300588237778125
2010	0.4751662686762706
2011	0.3826104537666608
2012	0.7249967204661223
2013	0.19678305228604617
2014	0.6491822047594035
2015	0.4470052282156819
2016	1.1454254756627222
2017	5.124617759578486
2018	1.4034281532734116
2019	0.5661138740959828
2020	1.2812560247712304
2021	1.8186936189586425
2022	0.09780816464216965