Year	current US$
1960	3950699104.166667
1961	4489418062.5
1962	4475248354.166667
1963	4884176020.833334
1964	4961540916.666667
1965	5447549687.5
1966	6011490020.833334
1967	6715423604.166667
1968	6669514729.166667
1969	7709545354.166667
1970	8349716833.333334
1971	8419996916.666667
1972	6499539250
1973	7812086852.589642
1974	12421446497.614862
1975	19265059553.85309
1976	10418476781.144781
1977	9054464725.274725
1978	13066123055.555555
1979	15329624763.469118
1980	17766087086.56331
1981	17244859241.126072
1982	15787175648.702595
1983	15487373737.373735
1984	17638560000
1985	19044846153.846153
1986	18461933333.333332
1987	20872387096.774193
1988	22916762086.001213
1989	24382929868.095318
1990	26572217229.652447
1991	26445994397.7591
1992	27312625994.694958
1993	29087275132.275135
1994	29343665835.41147
1995	32959477611.940296
1996	38813105134.47433
1997	39975222482.43559
1998	40669581497.797356
1999	41668760399.33444
2000	42685807990.45915
2001	42852075611.56412
2002	43320163677.52046
2003	48015474956.822105
2004	51313402412.094444
2005	54847333443.25733
2006	56405161496.058815
2007	63094311451.44201
2008	74052396418.58006
2009	81639485428.88968
2010	91286673313.87971
2011	102085940196.49118
2012	105017190533.66716
2013	116945045526.88068
2014	134696058444.17221
2015	151905105095.64285
2016	192897101342.23392
2017	214231554203.73264
2018	236358507189.84558
2019	256805196750.43286
2020	272714775918.79398
2021	310780844668.29407
2022	344066258003.59534
2023	324739267255.55475