Year	current US$
2012	864199.995994568
2013	783303.737640381
2014	362847.000360489
2015	181274.592876434
2016	-47125.0005066395
2017	868463.99307251
2018	1962656.2595367401
2019	2053509.95063782
2021	897210.0019454961
2022	2456098.3180999802