Year	current US$
2011	3730000.01907349
2012	4361078.73916626
2013	3797324.89585876
2014	4712308.40682983
2015	4848793.02978516
2016	4693969.7265625
2017	3024942.15965271
2018	3715301.2752533
2019	3881353.3782959003
2020	2075309.9918365502
2021	5585400.104522711
2022	2550533.77151489