Year	current US$
1960	-148623522.2341662
1961	-94336011.69162501
1962	38426763.912794665
1963	141505731.15254527
1964	3653726.760421098
1965	-20171391.863144677
1966	-89504575.07750235
1967	-178485511.0889399
1968	-261589868.11812538
1969	-294433623.7045544
1970	-300301792.00722146
1971	244757918.05094972
1972	247261280.14248145
1973	3461654472.0828223
1974	10783896082.942865
1975	2773055993.1273623
1976	6107914245.609415
1977	1372240187.1624703
1978	978445643.4460428
1979	9660039874.575098
1980	-14164364820.749952
1981	-15651420597.339785
1982	-4890560840.127524
1983	-15108728819.33932
1984	-8612447581.806164
1985	-9739286227.564997
1986	-13970909214.656408
1987	576180378.8721974
1988	-8630857567.139914
1989	-9977684993.787653
1990	-13134204728.204323
1993	3046536573.5735736
1994	10749816311.053984
1995	7914318073.277967
1996	6223632673.1967945
1997	2171645134.3766866
1998	-4258296496.5689335
1999	4210835499.5206137
2000	1837707920.083755
2001	-2447396906.6849976
2002	842657774.566474
2003	-2186723106.4475164
2004	-1482340333.299462
2005	14087911597.854382
2006	17497733976.732098
2007	27290477619.383404
2008	20306946769.200447
2009	7176178227.502654
2010	24479913677.15391
2011	54143054239.403915
2012	5546779792.435053
2013	16158581740.81652
2014	1426839695.363475
2015	-8086369893.608987
2016	8864027908.776913
2017	3535396049.0775795
2018	12092013759.742794
2019	-10740672636.76797
2020	-11893149563.765736
2021	4684885725.896807
2022	8409546368.970235
2023	6961767570.137621