Year	current US$
1990	75313232.6911659
1991	58850748.6562485
1992	76725711.4339932
1993	83681144.3212398
1994	112314129.252352
1995	87751282.9083001
1996	122884037.02065
1997	82828686.7992739
1998	60195951.4271567
1999	97520271.6074556
2000	67483007.7565622
2001	67329529.0559163
2002	75958711.9683164
2003	75380237.1040539
2006	142963050.174144
2007	101066606.859219
2008	-10024347.2419121
2009	34349824.2485063
2010	85443090.7570354
2011	38511655.1605245
2012	15828600.6018151
2013	181426168.602232
2014	-24857578.600699
2015	55058182.4190369
2016	2032259.58409195
2017	26673477.4613178
2018	9235264.47775166
2019	18714332.2768556
2020	-34594698.1320867
2021	-18586222.4440875
