Year	% of revenue
2010	1.4749600953739708
2011	0.7029788909469992
2012	0.4899172667959315
2013	0.3997018937037625
2014	0.33918478360145404
2015	0.42566109673017855
2016	0.9524706731066584
2017	1.3059902645668344
2018	1.655954481123223
2019	2.279323028121912
2020	3.1281601118472335
2021	2.836274863034243
2022	2.3904152635408846