Year	current US$
1989	-52631578.94736842
1990	-857142857.1428572
1991	1666666666.6666667
1992	1471365638.7665198
1993	-205436996.36943242
1994	-1663880073.1644497
1995	-1486528418.5930922
1996	-1137489348.0020704
1997	-1534117222.389934
1998	-952422820.2659925
1999	1723000056.6525323
2000	1572910572.0288084
2001	539267697.9207387
2002	1864970783.5637012
2003	1298219584.569733
2004	4982327505.170145
2005	724526116.4053748
2006	-3069900990.09901
2007	-8130891089.1089115
2008	-14394497591.804102
2009	-1967337676.672776
2010	-3977373466.711376
2011	-10147770403.572586
2012	-14346462764.682745
2013	-15634054797.948204
2014	-4680457309.32468
2015	-2377052775.0028863
2016	-6463928654.370844
2017	-8726414189.840612
2018	-11425933030.917234
2019	-12384279576.681343
2020	-2369876402.5954313
2021	-2639467167.804196
2022	-26738449229.742523
2023	-37406823910.017044