Year	current US$
1960	1000000000
1961	1227272727.2727273
1962	1472727272.7272727
1963	1280000000
1964	1670588235.2941177
1965	1500000000
1966	1405555555.5555556
1967	1275238095.2380953
1968	1324137931.0344827
1969	1679032258.064516
1970	2092741935.483871
1971	2341532258.064516
1972	1801129943.5028248
1973	2576429404.900817
1974	3545537340.619308
1975	2993112701.252236
1976	2918049666.8685646
1977	3344006886.163116
1978	3908650174.3317285
1979	5766190354.682318
1980	8968588118.59363
1981	9108144167.515982
1982	7634028730.238937
1983	4268617640.214103
1984	4009625534.5034266
1985	3925906520.6216145
1986	4872961157.9962225
1987	6134332792.366155
1988	6653646930.185463
1989	6931700736.342884
1990	7658811920.470909
1991	9193796486.330967
1992	10790987340.700844
1993	12720557906.285873
1994	14808592012.913773
1995	16344413923.45251
1996	17427525639.335396
1997	20600890240.27432
1998	21695443155.250374
1999	21133648020.600918
2000	20280877057.672688
2001	18468706881.995255
2002	11662527838.519955
2003	9839847138.556593
2004	10919451358.356733
2005	13954667374.768166
2006	16171380693.96052
2007	19395998427.848804
2008	25391713705.9886
2009	26026406316.417377
2010	33394770728.25414
2011	40032494829.71292
2012	43552043430.57742
2013	49393445949.16571
2014	49688604546.36868
2015	46529075497.83337
2016	44385509491.74607
2017	51089303087.80042
2018	52337402589.45719
2019	49682737176.18037
2020	42475106427.40611
2021	45316953378.8406
2022	53333447448.972496
2023	61393174827.168884