Year	current US$
2012	368031.173944473
2013	312660.12787818897
2014	230230.003595352
2015	293520.00355720497
2016	108840.003609657
2017	232490.00310897798
2018	584741.830825806
2019	1990880.0125122098
2020	859890.758991241
2021	983200.013637543
2022	734880.685806274