Year	current US$
2011	1720000.02861023
2012	1588796.3771820099
2013	1503589.39170837
2014	2664917.23060608
2015	3237968.6832428
2016	3003059.14878845
2017	1728546.1425781301
2018	3243653.77426147
2019	2166618.58558655
2020	1481696.60568237
2021	3725800.03738403
2022	4156336.78436279