Year	current US$
1990	6954036224.56517
1991	12971237936.8336
1992	11670820719.6586
1993	41213169870.6668
1994	49254633318.8676
1995	26929630956.1414
1996	36906521351.4785
1997	59941762624.6721
1998	57328429656.6967
1999	59874884623.0211
2000	63578944713.5679
2001	66251348474.8664
2002	57741996775.7269
2003	41503669756.5458
2004	59711516200.798
2005	51753523683.5193
2006	74950466692.7674
2007	80715203393.4901
2008	71896053313.5411
2009	60270145923.3912
2010	82264389497.0177
2011	73733276136.3984
2012	68844346820.7077
2013	40391473640.9437
2014	76270331351.486
2015	87119468045.3001
2016	75822796198.9899
2017	82993144039.2974
2018	82319753447.888
2019	91693731219.8993
2020	73336433238.7699
2021	45093532539.5958