Year	current US$
1960	26250000
1961	29750000
1962	35000000
1963	33250000
1964	31500002
1965	19928888.888888888
1966	21494857.14285714
1967	21192000
1968	24487999.999999996
1969	23004571.42857143
1970	28208000
1971	35832000
1972	37205714.28571428
1973	40576812.53592583
1974	53633015.87301588
1975	79994920.63492064
1976	74673623.1884058
1977	94676666.66666667
1978	123426666.66666667
1979	177800000
1980	214223333.33333334
1981	213555555.55555555
1982	272632222.2222222
1983	268000000
1984	232495196.7254198
1985	239045071.6712238
1986	268172621.52929842
1987	291223994.0110068
1988	280918091.1001104
1989	255573911.3993458
1990	314442789.9915331
1991	332769069.9839681
1992	319246482.2878211
1993	254942339.37397033
1994	263464979.0432315
1995	272899694.10389256
1996	136902390.42113957
1997	140485312.899106
1998	173751533.20374045
1999	129001348.56980625
2000	141321270.48441035
2001	138400674.41440356
2002	140218229.17194188
2003	164737396.3163437
2004	225367196.2285745
2005	322845665.2506238
2006	446954652.53540415
2007	433983785.48886997
2008	591543748.5717661
2009	520184959.3669798
2010	605576363.5960171
2011	764650773.8816804
2012	793552538.140016
2013	919568792.8024716
2014	928056749.0661637
2015	509708728.0898592
2016	440550588.77676874
2017	441594730.6792125
2018	557815769.4669946
2019	614607193.6887839
2020	588865206.2515326
2021	661150004.2051752
2022	779398863.8814021
2023	642834305.4110236