Year	constant 2015 US$
2014	841388336.791737
2015	832027000
2016	898458358.1521113
2017	852328609.2390995
2018	815379817.4470441
2019	839828932.0415077
2020	807618276.5449687
2021	813037847.1523229
2022	818866441.9564586