Year	current US$
1960	52048567.018474
1961	51307014.82787445
1962	54454662.924342185
1963	59189249.896224275
1964	62646771.89858248
1965	65733635.70466111
1966	66963489.490125656
1967	68268945.81190582
1968	220818704.79883534
1969	202378685.81179544
1970	202119639.7492406
1971	220313890.84149933
1972	252946499.3177117
1973	307542317.62785906
1974	324649107.5943737
1975	450987676.0941595
1976	469750500.03453857
1977	495945819.8511951
1978	631845059.0647192
1979	816372881.2663746
1980	1038908905.4546713
1981	879987840.9732715
1982	741217691.6487345
1983	628140181.246696
1984	583499728.3460598
1985	618146685.8419843
1986	881610625.529503
1987	1057873149.3241744
1988	1081693150.7654912
1989	1045293070.3849807
1990	1262961402.7797086
1991	1167754412.5656278
1992	1246343553.346407
1993	1099401396.538347
1994	671870184.9740839
1995	779056977.3328305
1996	839848682.9590468
1997	750935165.5683589
1998	769751749.284931
1999	821870154.9333861
2000	726761391.47336
2001	742150212.5075644
2002	853138652.6380879
2003	1055604968.1448319
2004	1277646000.5069387
2005	1370478628.5201132
2006	1505508179.2743227
2007	1901437145.7215223
2008	2155321405.004086
2009	2190615622.323938
2010	2283233592.1470327
2011	2641986153.822759
2012	2573975721.362997
2013	2762072001.4964013
2014	2917050365.6117873
2015	2541663172.5713925
2016	2671599728.261097
2017	2862665421.524851
2018	3186551961.0532827
2019	3278349369.4118357
2020	3503016026.2496305
2021	4172831376.7313237
2022	4116893085.403092
2023	4560303244.9993515