Year	% of revenue
2010	0.9617032878779495
2011	0.8475835100623696
2012	1.0037407634109536
2013	1.0624591687207023
2014	1.3387608026219522
2015	2.3825922891361757
2016	2.821258902329536
2017	2.02651444937161
2018	1.8474932161064759
2019	1.8556226570511618
2020	2.316220578839905
2021	1.848522601037545
2022	1.9303918729711391