Year	% of revenue
2011	0.846698375613573
2012	0.6190121892004254
2013	0.34621732097605834
2014	0.3246567356685687
2015	0.2629595461118029
2016	0.2723515725418901
2017	0.31002835840861137
2018	0.22424479942167735
2019	0.449146226386056
2020	0.516512389302686
2021	0.6000970395018744
2022	1.2331402949793846