Year	constant 2015 US$
2010	2528788694.930253
2011	2926332612.5647497
2012	2363860002.7440767
2013	2655520755.9788322
2014	2490313819.3991566
2015	2350023986.1842556
2016	2259871799.414315
2017	2398219216.5552645
2018	2333100126.773374
2019	2712130985.607048
2020	1975205654.658508
2021	2298174579.476054
2022	2261136419.4721804