Year	current US$
1960	-4810000.39167702
1961	3320000.2182275103
1962	-6100000.13373792
1963	8609999.693930151
1964	-11550000.093877299
1965	18640000.3284216
1966	12860000.2191961
1967	-699999.8800456519
1968	-8089999.955147499
1969	-10839999.8936802
1970	-12199999.6509403
1971	-11339999.9942631
1972	-2910000.32238662
1973	33580001.6839057
1974	30199998.9971519
1975	45259999.1615862
1976	46039999.2465973
1977	76100000.3963709
1978	129529999.172315
1979	154339999.65153602
1980	110800001.438707
1981	162710001.945496
1982	172570001.590997
1983	229540000.829846
1984	217449997.441843
1985	207870003.048331
1986	299139999.780804
1987	397439999.15569997
1988	370930005.323142
1989	531279998.73831904
1990	526400001.42529595
1991	807860007.90447
1992	677189999.178052
1993	658270014.859736
1994	759449994.858354
1995	1044280003.52904
1996	871319997.124374
1997	599259998.425841
1998	497810000.028461
1999	764510004.512966
2000	761259990.699589
2001	692070012.6476591
2002	600000001.40816
2003	434110002.208501
2004	315980003.397912
2005	380080003.071576
2006	402799993.380904
2007	204490000.680089
2008	246480002.23934698
2009	90880004.812032
2010	-491079976.553097
2011	264709997.21065196
2012	-226999995.185062
2013	-41789998.7436831
2014	30870000.2618134
2015	-15080004.274845101
2016	76529999.1667271
2017	-350119988.650084
2018	185380000.47206903
2019	158440002.879128
2020	360630000.500008
2021	399559999.288991
2022	548489991.6201832