Year	% of revenue
2011	0.00047322328623783334
2012	0.0006601811303390188
2013	0.0004285148653706716
2015	0.0004897341715961805
2016	0.00026536574060837843
2017	6.780084893366214E-06
2018	5.62168021102086E-06
2019	2.4537195852013534E-05