Year	constant 2015 US$
2013	1235567107.6962838
2014	1350844608.1871383
2015	1492710484.4109588
2016	1661573989.331942
2017	1837593168.6659138
2018	1845560091.7339714
2019	1962362478.39254
2020	2163059113.754358
2021	2370530326.8965225
2022	2349004947.5542946
