Year	constant 2015 US$
2008	4938388528.566735
2009	3627835823.848859
2010	5935866806.170912
2011	2028450587.7036476
2012	6465774957.898505
2013	7966648417.882957
2014	9693345527.937279
2015	10715281888.755863
2016	12000444031.446905
2017	11865567314.271397
2018	13239616800.059856
2019	13865545423.579424
2020	15861907059.965136
2021	17515069612.74028
2022	20538144638.851814
2023	24557593024.447453