Year	current US$
2008	6267044.121781201
2009	9571519.869002707
2010	1761586.8374231507
2011	-3943750.289619162
2012	16498893.542951776
2013	21544405.5847203
2014	918048.5592604935
2015	-48255681.89854492
2016	-24749448.232889395
2017	-24133658.23270729
2018	-41081449.787616655
2019	-43627240.27666822
2020	-59661431.43192127
2021	-86575627.91586342
2022	-89972884.78464192