Year	current US$
1960	508334413.9650873
1961	531959561.62226015
1962	574091101.1943824
1963	496947904.4430329
1964	496098775.30864197
1965	735267082.2942643
1966	906811943.824649
1967	841974025.4626591
1968	772231386.9148285
1969	788641965.4320987
1970	865975308.6419753
1971	882765471.6049383
1972	1024098400.3561875
1973	972101724.9953681
1974	1217953546.9760365
1975	1575789254.4693801
1976	1452788984.862647
1977	1382400000
1978	1604162497.4594529
1979	1851250008.3333333
1980	1945916583.3333333
1981	2275583316.6666665
1982	2395423741.797618
1983	2447174803.377913
1984	2581207387.7970943
1985	2619913955.515564
1986	2850782044.043058
1987	2957255379.5431495
1988	3487009748.356382
1989	3525225786.5869083
1990	3627560239.489972
1991	3921476084.890719
1992	3401211581.2917595
1993	3660041666.6666665
1994	4066775510.2040815
1995	4401104417.670683
1996	4521580381.47139
1997	4918691916.535157
1998	4856255044.390637
1999	5033642384.10596
2000	5494252207.905025
2001	6007055042.17687
2002	6050875806.664032
2003	6330473096.540709
2004	7273938314.719876
2005	8130258377.90964
2006	9043715355.888098
2007	10325618017.37897
2008	12545438605.395878
2009	12854985464.076431
2010	16002656434.474615
2011	21573872420.700806
2012	21703100877.13089
2013	22162204924.572582
2014	22731612922.190636
2015	24360801286.76381
2016	24524109483.529346
2017	28971588940.363995
2018	33111525237.14897
2019	34186180699.02548
2020	33433659301.24655
2021	36924841394.26049
2022	41182939600.67002
2023	40908073366.84552