Year	current US$
1960	2976129656.680713
1961	3309007818.0285153
1962	3727373817.4669127
1963	4033282192.1014376
1964	4650508308.809506
1965	5251865235.314561
1966	5691595139.33442
1967	6075931622.161547
1968	6944093778.22074
1969	7656711269.6518955
1970	8412092773.53767
1971	9741291346.275753
1972	10380583801.246115
1973	12794711599.189026
1974	15523051848.364138
1975	18916967499.392166
1976	19823183582.567104
1977	22324580368.88412
1978	26817871468.02098
1979	32713879662.954197
1980	42179787626.21102
1981	42490687804.343956
1982	41172116372.84051
1983	42041355769.975
1984	41461679078.380714
1985	36440656082.05135
1986	44648995107.407455
1987	55690137002.713425
1988	57229156880.605576
1989	57354833484.90273
1990	69076361464.84769
1991	74484295933.34944
1992	74882822467.50877
1993	73830223325.06642
1994	70573970758.43764
1995	73978508898.24937
1996	76144629989.39192
1997	78871858130.06097
1998	75440739632.44449
1999	73981986098.65598
2000	73316342022.87878
2001	69621893820.22003
2002	70352735608.28893
2003	97168204748.67023
2004	119228978615.56697
2005	131895495898.57582
2006	144487613616.5528
2007	168347157814.77823
2008	186324079203.23804
2009	194509423270.97076
2010	226469693321.35437
2011	265099124854.25735
2012	268867967787.8246
2013	281328686128.72723
2014	279288544953.07336
2015	246831331601.13248
2016	232726957208.6994
2017	259042249656.3194
2018	271622032377.06396
2019	269000708214.84985
2020	264904689652.1077
2021	299157713214.9128
2022	311837156306.3339
2023	318680032566.8683