Year	constant 2015 US$
1960	4060988485.4415646
1961	5833537205.512833
1962	5304418184.571419
1963	4047760509.8961987
1964	4603335481.928343
1965	4788527139.175369
1966	5383786037.746587
1967	4391687873.493564
1968	5370558062.2012205
1969	6905003222.844
1970	9180215012.765951
1971	11111499438.702452
1972	13227975523.050236
1973	15476731361.881454
1974	18449083741.869118
1975	21142137493.795326
1976	22410512001.533936
1977	25976053671.843483
1978	29888796849.249996
1979	31209699997.632137
1980	37103157303.41574
1981	41234983350.499504
1982	46592904753.382225
1983	50237879978.853195
1984	47215024272.9593
1985	50619543252.87544
1986	55279757628.96544
1987	58312161369.02306
1988	65032170370.9355
1989	73721396710.67638
1990	84465256578.57971
1991	89976536185.24884
1992	94420500511.75484
1993	99792946557.99504
1994	113520172062.84964
1995	129407169821.487
1996	148189830671.97717
1997	160886739907.07144
1998	107781006499.48279
1999	88169763190.39366
2000	102926959525.38658
2001	109609459945.76788
2002	114755002053.42665
2003	115443883662.83054
2004	132394855676.46606
2005	146808880185.04822
2006	150621331123.3159
2007	164665083196.5701
2008	184237385409.06973
2009	190305080123.54266
2010	206445369671.21414
2011	224735627804.4913
2012	245242939942.69235
2013	257530293660.19714
2014	268988067226.26343
2015	282462858812.04504
2016	295097785402.2379
2017	313258026440.3413
2018	334170649686.48364
2019	349049205903.7121
2020	331732641828.55365
2021	344348989007.442
2022	357675312374.0908
2023	373406524335.10187