Year	constant 2015 US$
1980	2530765813.5214057
1981	2460169879.801251
1982	2419019608.405084
1983	2241519108.5717297
1984	2193407913.764329
1985	2040098713.108692
1986	1991418977.7645733
1987	2239897651.2559476
1988	1924520875.5781572
1989	2083675554.4936612
1990	1749336284.1662037
1991	1742994655.167055
1992	1570615786.1570222
1993	1660712145.8604848
1994	1353347337.648172
1995	1670722824.4466758
1996	1760502084.41541
1997	1464076585.981868
1998	1418213039.2672591
1999	1331989627.9876094
2000	1355113927.9869118
2001	1744715959.9681332
2002	2148420120.416436
2003	2292700752.145694
2004	2384093732.2100916
2005	2420338317.715004
2006	2444387109.0918493
2007	2683715874.6499295
2008	2923985185.990209
2009	3116287672.149309
2010	2729297257.629879
2011	3505464615.805994
2012	3917595319.276674
2013	5134026958.088707
2014	4357451171.819302
2015	4349185677.698976
2016	4812010435.720367
2017	4797870947.946854
2018	4472602651.352458
2019	4459262854.678785
2020	4701531898.624159
2021	7013957354.854943
2022	7534968222.933134
2023	7827784408.480954
