Year	current US$
1960	1266666666.6666667
1961	1609090909.090909
1962	1818181818.1818182
1963	1546666666.6666667
1964	1952941176.4705882
1965	1758620689.6551723
1966	1703703703.7037039
1967	1575238095.2380953
1968	1544827586.2068965
1969	1978629032.2580645
1970	2165322580.645161
1971	2839516129.032258
1972	2176647834.274953
1973	3928821470.245041
1974	4194171220.4007287
1975	3661717352.4150267
1976	3686765596.608116
1977	4227996556.918442
1978	5023841939.232941
1979	7492727736.667519
1980	10731400859.693596
1981	11471500046.32632
1982	9451151375.153397
1983	4995869211.077497
1984	4597802944.912601
1985	4464352089.841434
1986	5530455511.972212
1987	7187524942.134249
1988	7858552273.73524
1989	7949983740.570335
1990	8793345612.252926
1991	10888769333.630045
1992	12772277086.97268
1993	15067086482.629688
1994	17582094828.28524
1995	19317742164.12033
1996	20554125004.876545
1997	24638663138.820606
1998	26096741131.542587
1999	24749307135.361088
2000	23580442100.857616
2001	21463068880.617233
2002	13441294842.298058
2003	11671544109.308472
2004	13310242804.088657
2005	17027694929.44858
2006	20013174373.09743
2007	24042764745.042023
2008	32613980498.743706
2009	32445340183.923393
2010	41536331328.026566
2011	50545152635.82125
2012	55979573202.62967
2013	63184849583.09914
2014	62727525604.91525
2015	57895209311.60328
2016	54380948199.5393
2017	61440870124.53631
2018	62043304278.85163
2019	58469036331.70298
2020	51294382101.48326
2021	56422214733.325645
2022	66606834251.97739
2023	74721149065.72244