Year	constant 2015 US$
1960	12499309591.781843
1961	12352516875.12375
1962	12567169052.280859
1963	13872775595.147375
1964	15993961552.624153
1965	21087587429.159683
1966	22724402210.962925
1967	22637693934.51362
1968	24037237219.780445
1969	24000044520.784813
1970	25842315342.984543
1971	24733704096.1864
1972	28552117047.101112
1973	34489393513.54155
1974	40636158962.865654
1975	39048187602.72078
1976	36681522146.82586
1977	29984371984.779083
1978	36585291643.40361
1979	47360195410.73185
1980	64970825731.57856
1981	76484536591.28232
1982	47533617308.164375
1983	31471556545.703693
1984	37075773387.391396
1985	41148002916.11314
1986	38028014129.85034
1987	39982908360.60921
1988	54664220046.223625
1989	66284357814.904976
1990	79372066609.92725
1991	92689433469.60551
1992	112025521965.85144
1993	110625167927.39456
1994	130635225761.55444
1995	107777954287.30498
1996	127288939962.40424
1997	157270836430.18567
1998	179961677523.51993
1999	201151833684.7861
2000	243456749449.37726
2001	242730346596.23938
2002	251502267362.74847
2003	259078302908.377
2004	277283198862.6306
2005	293714509403.6898
2006	316351635750.31665
2007	334518200662.8393
2008	347268516677.41113
2009	290362230619.59424
2010	340045586257.92413
2011	361247540139.9481
2012	381649488740.38306
2013	395502556649.30835
2014	419081778712.83466
2015	439821695268.0063
2016	450964938141.7048
2017	476438143576.39923
2018	503138190851.51483
2019	497699427680.8054
2020	438019206738.0965
2021	503939858528.6412
2022	545791173904.28503
2023	576984016787.3256