Year	current US$
1980	1269428571.4285715
1981	1301380500.4314063
1982	1426795803.0669894
1983	1104403183.0238726
1984	1106812749.003984
1985	947075009.8154694
1986	470718356.9475516
1987	602179596.3927975
1988	903887546.9028726
1989	874692765.7867019
1990	645167254.3348784
1991	762522858.1103963
1992	688944733.6804166
1993	802151718.0616741
1994	876683143.0032384
1995	939143273.3050847
1996	1080234604.105572
1997	866198675.4966887
1998	720854438.4753133
1999	709756124.5981598
2000	771065436.6426079
2001	1290155573.4568522
2002	1503066698.4278226
2003	1620238085.097321
2004	1613409469.5146782
2005	1820606259.439062
2006	2016356343.1557148
2007	2322847889.545241
2008	2755932135.1728907
2009	2773323202.339285
2010	3034151490.4022965
2011	4096453891.5772743
2012	4536741368.284531
2013	6406251865.26298
2014	6101748855.809192
2015	5436542691.09535
2016	4950012639.230263
2017	4561634530.590843
2018	4974085787.136872
2019	4879533154.625175
2020	4931384882.1054325
2021	5291764709.263202
2022	5091029460.443562
2023	4831241650.8724375