Year	% of revenue
2013	0.49751371168933284
2014	0.33463244672656317
2015	0.41505825424512
2016	2.059816961899993
2017	0.5459642102393454
2018	0.6143836927210155
2019	0.5045933077479939
2020	1.614494447312151
2021	1.5868346889930436
2022	2.4541424911311305