Year	% of revenue
2010	1.4598725008981284
2011	1.4103017861882414
2012	1.6347441529312094
2013	1.8545726720816125
2014	3.846313195015072
2015	5.854559214912941
2016	7.70349117098
2017	6.982781909810844
2018	5.6689272782991695
2019	4.503875925152619
2020	5.955417795789156
2021	5.146889422391849
2022	5.3799741992926915