Year	current US$
2004	1081586.0033035302
2005	-1421347.9757309
2006	2023916.9597625702
2007	2295375.1087188697
2008	-1458727.00214386
2009	2921933.65097046
2010	-1734099.50733185
2011	6297021.86584473
2012	-6166429.51965332
2013	37681.4976334572
2014	924106.299877167
2015	-1010732.6507568399
2016	1102699.75662231
2017	-689467.549324036
2018	3566958.18901062
2019	6814033.50830078
2020	540956.616401672
2021	-900364.04132843
2022	672040.343284607