Year	constant 2015 US$
1960	193508327.02663818
1961	197116860.95411786
1962	227338452.08332273
1963	251470587.89727715
1964	272219723.1508249
1965	278083623.3655334
1966	276955934.7966984
1967	307177536.7763445
1968	306049826.4849026
1969	310786059.84252185
1970	317552093.5472455
1971	333790811.2041348
1972	333114189.3694469
1973	421072594.8709207
1974	467306740.3343469
1975	404157255.39020455
1976	448813112.5541091
1977	546694921.2019107
1978	646832345.9469174
1979	665551148.6712185
1980	647283238.9110718
1981	651779515.1885437
1982	680830657.0909514
1983	694353079.7173468
1984	732784813.2326468
1985	751912323.9122173
1986	787138333.8110421
1987	792882304.3615422
1988	861085398.5705338
1989	910987401.9766492
1990	966060902.397655
1991	1033362571.7129211
1992	1105247043.4993382
1993	1144038630.1899645
1994	1212450693.4710336
1995	1252351695.5617545
1996	1322446271.5438147
1997	1371424437.0969481
1998	1392512225.7903533
1999	1399140932.8400798
2000	1453365294.1511989
2001	1505128088.4481993
2002	1516022748.4094505
2003	1585150007.4901242
2004	1611976676.829483
2005	1667849758.728042
2006	1738401391.783075
2007	1811204148.776706
2008	1911244554.9902272
2009	1887282177.320093
2010	1986735734.7651005
2011	2078451680.2808068
2012	2210102550.34645
2013	2249719203.369813
2014	2288201773.076053
2015	2359686724.538286
2016	2444845631.3955274
2017	2368122098.53455
2018	2333058897.5102983
2019	2299976266.2734575
2020	2128427544.1373215
2021	2167860464.0842705
2022	2195728399.765407
2023	2215449329.508964