Year	constant 2015 US$
1960	625624331.5759153
1961	695536506.1611907
1962	760070821.1638539
1963	818885825.1879419
1964	858472847.1189616
1965	1050752667.9591068
1966	1086946516.5875738
1967	1122009307.437206
1968	1219280275.602162
1969	1266784701.9963424
1970	1334648168.1605716
1971	1453573895.9605427
1972	1612867370.7890863
1973	1803483537.4766653
1974	1966797036.9633248
1975	2183543363.419382
1976	2315701672.173454
1977	2387224609.934615
1978	2455732529.230482
1979	2846009917.775178
1980	2663936491.5524244
1981	2887174369.544517
1982	2803157595.3907714
1983	2473786577.9323564
1984	2568037846.551579
1985	2378003045.9067664
1986	2042229015.824728
1987	1964390549.979504
1988	2038358538.597803
1989	2056303066.9340959
1990	2054538717.8122315
1991	2123177444.0733407
1992	2201571583.6958804
1993	2257332485.2888093
1994	2328039992.944895
1995	2482398472.5975165
1996	2547077315.8711963
1997	2632662394.762707
1998	2732724529.7169504
1999	2820451046.330329
2000	2879074856.180846
2001	2961494971.1504803
2002	3063876563.14466
2003	3173342373.354449
2004	3273248104.813733
2005	3383095417.325626
2006	3493837919.1610556
2007	3625490730.8008714
2008	3767283740.0878353
2009	3911195326.3832216
2010	4031219051.5338597
2011	4323203213.487274
2012	4534402820.029052
2013	4955659336.955875
2014	5288636832.303769
2015	5773469898.697539
2016	5863946830.750857
2017	6153505493.642066
2018	6470237622.790656
2019	6713405899.9928
2020	6527897887.520996
2021	6879686468.050988
2022	7137353982.998218
2023	7270593623.876838