Year	constant 2015 US$
1960	4545709955.122799
1961	4607513256.341631
1962	4630333141.396983
1963	4741855874.345577
1964	4644999612.169689
1965	5000170365.555673
1966	5179453633.061843
1967	5591970250.572547
1968	6124341678.32648
1969	6200916964.086747
1970	6408159823.442167
1971	6367421971.459935
1972	7228785752.940313
1973	7647956778.72877
1974	7910682627.031123
1975	8689050018.160677
1976	9707586638.711914
1977	9327767838.599358
1978	9951618910.22952
1979	10555462529.837282
1980	10944541663.683592
1981	11147187038.485235
1982	11940972047.198624
1983	12484689821.537426
1984	13401130663.459711
1985	14459602112.633093
1986	15147067123.086468
1987	15523221878.549809
1988	15423541963.348883
1989	16092382672.10409
1990	17867181039.039944
1991	18871141152.98343
1992	20812177651.136566
1993	21012760489.369167
1994	21456407529.75486
1995	22252050842.915955
1996	22983539346.75952
1997	23209681946.03365
1998	25661889542.356464
1999	23787943347.008762
2000	24614245851.015446
2001	24057224271.70356
2002	27319218509.513218
2003	28671661236.836403
2004	28762087449.916046
2005	32146854518.787342
2006	34634991902.514755
2007	35404372217.71014
2008	28198444473.418915
2009	30346728181.056698
2010	32203020932.91372
2011	33401831351.589405
2012	35072154291.328804
2013	36943382112.336845
2014	40009428834.8842
2015	41195220592.860054
2016	43231847708.268295
2017	44681537369.72022
2018	43664878897.92752
2019	47648598839.86949
2020	49156747096.4379
2021	47871285832.5356
2022	48413696539.743904
2023	48897833505.13947