Year	constant 2015 US$
1960	2387943916.9226055
1961	2577943591.058922
1962	2864367250.528077
1963	3092649075.9979644
1964	3373480666.9145284
1965	3700616675.74644
1966	3798164301.083055
1967	4214485963.5492215
1968	4185741686.1069016
1969	4263298972.9413013
1970	4329123368.401771
1971	4420112072.145066
1972	4520089895.442914
1973	4751063230.547066
1974	5117970866.963432
1975	5441553037.830335
1976	5725886204.458846
1977	6160996171.907954
1978	5967547184.516603
1979	4603578955.950495
1980	5557836705.8288765
1981	5067407069.783331
1982	4777795408.596287
1983	5116298472.622962
1984	5293101910.260991
1985	5210867145.525752
1986	5080916880.207726
1987	5136419466.8937435
1988	5162090719.792348
1989	4621619348.807867
1990	4548338803.826755
1991	4940924532.501579
1992	5070766988.279483
1993	4917904794.822648
1994	4983613398.403635
1995	5196864917.43768
1996	5393130653.623663
1997	5631368988.947288
1998	5921607257.228733
1999	6187565096.630874
2000	6510055773.50666
2001	6778157269.686858
2002	7023496815.461922
2003	7171302675.293173
2004	7325395283.195188
2005	7587580146.970891
2006	7793886350.9464855
2007	8097808985.552774
2008	8413486284.989577
2009	8557463942.6535
2010	8805399040.726013
2011	9049325322.469046
2012	9418136424.781351
2013	9801420033.503479
2014	10242933398.062315
2015	10785822253.529396
2016	11445782135.025236
2017	11732922097.87929
2018	11243574721.524607
2019	11104217394.54551
2020	11121475688.574125
2021	12117156951.154177
2022	12580277156.268524
2023	13302271771.812105