Year	current US$
1990	34264289.0763852
1991	330393419.348453
1992	208754870.226568
1993	-114131327.271679
1994	-39331127.5322275
1995	685720534.029752
1996	723384123.774798
1997	710686065.621136
1998	888924420.506058
1999	1054752438.16901
2000	476440894.170221
2001	359998169.438706
2002	353459021.137747
2003	482506665.610736
2004	469871745.973823
2005	693211564.168427
2006	679889504.888373
2007	839911129.948125
2008	829917062.953218
2009	986461348.670466
2010	2391335725.06741
2011	1892892860.91667
2012	1393666240.1509
2013	1439491946.93753
2014	1157343728.8623
2015	1311909992.01438
2016	1104339290.98079
2017	1620509527.2645
2018	1459516856.93814
2019	1699787082.60869
2020	1979199610.66052
2021	2061149458.10718