Year	constant 2015 US$
2010	84209078593.70595
2011	41888809062.14966
2012	76476145873.09172
2013	63758605152.937965
2014	49795520905.62859
2015	49953808617.08212
2016	48756188791.75695
2017	64633668065.03725
2018	69459279628.91826
2019	65728675563.493484
2020	27301564003.825184
2021	67624678075.221275
2022	69701087077.73685