Year	constant 2015 US$
1960	41642298834.14648
1961	47280793416.22265
1962	47937162380.59726
1963	53789781855.43514
1964	59864399326.50662
1965	66546953305.25116
1966	69653341977.62656
1967	73691520656.29373
1968	79724042098.78201
1969	89352044357.55232
1970	96823565186.23006
1971	103886288209.38278
1972	114120055659.0992
1973	124848702471.95975
1974	114486855073.17537
1975	120607519548.23358
1976	128430477475.50389
1977	132716443668.03433
1978	141188193696.14917
1979	144428793485.8261
1980	145176814872.0437
1981	142483031853.43393
1982	143884823724.83624
1983	143924889344.82962
1984	144308741972.0347
1985	148556149263.07727
1986	149265526315.3144
1987	144957943483.13586
1988	153645109877.01715
1989	161809681275.74643
1990	165304861017.20306
1991	171199859446.4113
1992	170165836703.3515
1993	168493040760.84955
1994	170251578750.02612
1995	176166933412.23862
1996	183318444094.95068
1997	188607908111.89404
1998	201044057539.98822
1999	206453690679.08936
2000	216121552188.45538
2001	224759035704.60733
2002	233885912042.65927
2003	250830108872.98425
2004	257575108456.23895
2005	258175033171.32877
2006	278304774652.185
2007	293205452888.35065
2008	291551661792.1522
2009	272581088341.828
2010	254183177765.3581
2011	223422443248.70966
2012	203940049282.91437
2013	195759250148.6468
2014	196065916183.07687
2015	197686109009.9214
2016	198391914540.16357
2017	200034050203.446
2018	202878971068.0167
2019	205216853417.67487
2020	197650448156.1038
2021	211809194012.79556
2022	224632952878.74243
2023	227831766193.93265