Year	current US$
1960	547085460.7449217
1961	859450972.8477763
1962	846877298.3669261
1963	1154790343.9869509
1964	1342191477.91608
1965	1717141404.1015756
1966	1979905076.5857563
1967	1995159317.6225963
1968	2213716358.5986743
1969	2957982477.8689427
1970	3395034090.909091
1971	4013579545.4545455
1972	5168931818.181818
1973	7767583429.228998
1974	7193181818.181819
1975	7665568544.102019
1976	8910102611.940298
1977	9054995374.6531
1978	11126920222.634508
1979	13860745170.193192
1980	13594772182.254198
1981	11139095940.959404
1982	11688051020.408163
1983	9656071981.424149
1984	10330108827.085854
1985	10430165309.647175
1986	12451718597.857838
1987	11479096628.082537
1988	14614001921.691088
1989	13696890474.192194
1990	15605126827.171108
1991	17841220788.93251
1992	18371077940.650696
1993	16156521997.62188
1994	18105411516.853935
1995	19456272981.320786
1996	21050092015.855038
1997	22348594783.47685
1998	22386924939.46731
1999	21793665048.01047
2000	19368763813.611023
2001	20622035563.50987
2002	22607204973.917294
2003	32933877343.856403
2004	40542016863.604355
2005	34263510096.88403
2006	42809188617.05994
2007	46710537497.02368
2008	42369914764.70468
2009	28354785704.697636
2010	30856954252.566727
2011	23138344109.377476
2012	18204971115.139458
2013	22652888617.95379
2014	24339659487.527756
2015	21630085834.76835
2016	22004607376.10667
2017	21007438189.52945
2018	23295403555.44077
2019	22110575360.909767
2020	12664697868.737778
2021	21318051978.04617
2022	24854844796.725777
2023	28343599449.12599