Year	current US$
1960	17528735.63218391
1961	-12643678.16091954
1962	-5747126.436781609
1963	-18103448.275862068
1964	-33333333.333333332
1965	-11781609.195402298
1966	5459770.114942528
1967	-6896551.724137931
1968	-29022988.505747125
1969	5459770.114942528
1970	-1436781.6091954024
1971	-35344827.5862069
1972	-16091954.022988506
1973	-66954022.98850574
1974	-317528735.6321839
1975	-512068965.51724136
1976	-476436781.6091954
1977	-544252873.5632184
1978	-593633952.2546419
1979	-791608391.6083915
1980	-1140000000
1981	-1502683363.1484792
1982	-1260504201.680672
1983	-876923076.923077
1984	-838461538.4615386
1985	-494791666.6666666
1986	-347999999.9999999
1987	-680000000
1988	-562222222.2222222
1989	-855555555.5555556
1990	-1024444444.4444445
1991	-3710465784.93387
1992	-645475819.0327613
1993	-266957078.47395706
1994	-669005452.178627
1995	-668492650.7297624
1996	-695247491.1895823
1997	-837693710.205281
1998	-952998950.7071397
1999	-977998846.962824
2000	314384972.143628
2001	-184244464.96568835
2002	-508999611.8581512
2003	-413259157.4789814
2004	-488035943.4675559
2005	-2446587396.5234
2006	-2721597875.7863684
2007	-357988889.440008
2008	2457021772.943067
2009	-1895773730.7692306
2010	1310689655.1724138
2011	-1405684210.526316
2012	-3064550000
2013	-3375123287.671233
2014	-2786449438.202247
2015	-2861757575.7575755
2016	-2247766666.6666665
2017	-2314814285.714286
2018	-2123525798.5257983
2019	-2979518601.6528926
2020	79881902.2606383
2021	127399586.2950652
2022	229137025.26031756
2023	130873492.81690142