Year	constant 2015 US$
1960	320599860.94980145
1961	277854406.23961556
1962	239607418.62257284
1963	319475814.05857927
1964	346473286.5908833
1965	313851057.6396759
1966	322850219.64665204
1967	362221266.507768
1968	443215958.017363
1969	475838195.9703634
1970	437591201.6019759
1971	516335542.2701913
1972	398220155.8414698
1973	415094425.1227943
1974	440965606.0859225
1975	422967285.4476427
1976	354348406.2180827
1977	332975681.0958564
1978	335223784.9947689
1979	581580017.0509682
1980	522941029.5428757
1981	361853853.1936841
1982	262431562.33634785
1983	261030267.07131693
1984	273700898.60265714
1985	280389303.16617256
1986	302185514.3968262
1987	344955517.48170614
1988	480520195.0998305
1989	480196892.85693246
1990	560596932.4981691
1991	357991025.0311276
1992	392364598.69354504
1993	425783185.57167447
1994	374285062.015398
1995	384195366.04437894
1996	428661085.57998013
1997	460012178.6592335
1998	542374291.3282318
1999	557910948.2194858
2000	649240391.3423705
2001	799114187.4248486
2002	508309899.36571807
2003	730923756.2678194
2004	929120386.8284668
2005	928518401.241568
2006	1104669449.4495542
2007	1489514635.0263512
2008	2423727851.4930673
2009	2109848789.739603
2010	1781417820.9011123
2011	1727129621.8879912
2012	1767440828.0929608
2013	1691402197.1635897
2014	1559154913.9831529
2015	1810764780.6023803
2016	2060967790.8246934
2017	1908347927.609529
2018	2730316276.3379846
2019	2887143938.7511497
2020	2562036736.5332274
2021	1879603652.8219516
2022	1940810274.9069638
2023	1992226713.4510572