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	1458101060.960259
1977	1388295944
1978	1611275923.7429373
1979	1859541675
1980	1958433283.3333333
1981	2285666641.6666665
1982	2407792007.209462
1983	2460439926.0628467
1984	2622156916.967556
1985	2620073953.2660346
1986	2850771863.409457
1987	2956311182.318702
1988	3483739174.790297
1989	3531837074.694041
1990	3640235688.989676
1991	3934070319.9239783
1992	3414418708.240535
1993	3667791666.6666665
1994	4078795918.367347
1995	4406568273.09237
1996	4529380381.47139
1997	4926391916.535157
1998	4863055044.390637
1999	5045642384.10596
2000	5514252207.905025
2001	6030204081.632653
2002	6042907941.525088
2003	6321779211.325715
2004	7251117010.680207
2005	8152825110.01937
2006	9112239663.628054
2007	10431055151.62263
2008	12667669492.111979
2009	13007811026.489851
2010	16124973167.328539
2011	21678317045.908833
2012	21854809619.746777
2013	22310902766.22526
2014	23065091325.524345
2015	24704984111.051323
2016	24843843665.682884
2017	29263410261.848557
2018	33328197894.509155
2019	34539791626.55395
2020	33828751647.55428
2021	37122384063.189964
2022	41421597989.0937
2023	41385089422.55767