Year	constant 2015 US$
2010	3978.429747958396
2011	2720.323456967169
2012	3854.6691250697804
2013	4032.9286554521186
2014	3826.5747742544763
2015	3479.9224079915307
2016	3420.773007058386
2017	2801.59873117262
2018	2419.9736291145605
2019	2820.8492201969734
2020	1493.6948233359847
2021	3494.043377260176
2022	3310.9809092424643