Year	current US$
2007	-1662657968.01026
2008	-2064362894.34144
2009	663772897.756936
2010	207518468.528807
2011	-2096019582.45801
2012	-1685404007.17742
2013	305164676.50725
2014	98562409.7951764
2015	1086328800.9346
2016	985551486.148333
2017	616093302.226135
2018	2332480212.64326
2019	1878180467.83954
2020	3109429081.78734
2021	3662346884.13543