Year	current US$
1976	-48491923.62522029
1977	-87630242.15005566
1978	-125258081.1338128
1979	-142356472.0198196
1980	-116080961.00460523
1981	-119509313.55774975
1982	-30351665.432672188
1983	-3929541.6104286616
1984	-34854231.41601004
1985	-20398274.034039736
1986	97427975.70063116
1987	38669949.41924026
1988	-105895901.27793209
1989	-159871295.08273798
1990	-191005234.51224402
1991	-106949083.80284876
1992	-104541428.73371609
1993	-197075876.76241392
1994	-310906787.14972806
1995	-97950589.53543755
1996	-30365386.98011323
1997	-204395083.1585005
1998	-34677286.58568353
1999	-134043744.00058953
2000	-5790573.692707512
2001	285829457.104606
2002	164331486.54962954
2003	110280908.08819246
2004	-119897374.8293408
2005	-337229503.1707947
2006	-715180777.1820339
2007	-745042354.6838478
2008	-1333540084.823876
2009	-828478275.8340164
2010	-1098575902.0802743
2011	-1457154353.0174057
2012	-1390417268.9412158
2013	-1003473527.1319269
2014	-724357567.4008332
2015	-498335553.5461125
2016	-380086783.8094003
2017	-677437533.8733267
2018	-868617096.5156302
2019	-1033306057.5865651
2020	-813506862.1485695
2021	-1102102395.0170472
2022	-972709387.3121369
2023	-277352985.5209812