Year	current US$
1960	28072478.072478075
1961	29964999.964999966
1962	31857591.85759186
1963	33750113.750113755
1964	36194586.194586195
1965	40110040.11004011
1966	44450044.45004445
1967	47431255.747674
1968	44999910.00018
1969	47399905.2001896
1970	53339893.320213355
1971	59074687.19618515
1972	65998069.38476313
1973	78214767.83014962
1974	103160450.4458694
1975	118194026.25157352
1976	97094227.22924706
1977	117650000
1978	136300000
1979	151800000
1980	197938222.43
1981	196089854.655
1982	182206326.985
1983	192103185.95499998
1984	214381949.02
1985	212643742.665
1986	231638320.535
1987	281082558.58500004
1988	320093360.27
1989	369133890.705
1990	545686365.523175
1991	594975697.04556
1992	693625168.24559
1993	750018765.3277149
1994	769649509.4810951
1995	816491620.228815
1996	848205276.869645
1997	870861115.17749
1998	926550756.039735
1999	996906468.694785
2000	1134756760.6207051
2001	1168127973.9434898
2002	1240059540.093475
2003	1303381860.756735
2004	1394273990.600035
2005	1468145956.19917
2006	1584207353.220495
2007	1699214298.9143949
2008	1731921564.0667
2009	1681473348.434685
2010	1739070295.44027
2011	1818831938.17757
2012	1899503249.864295
2013	2021757434.18064
2014	2125125606.2572303
2015	2194709309.242045
2016	2240593542.975695
2017	2266664817.08822
2018	2292787335.624515
2019	2386792476.106365
2020	2047727810.06777
2021	2424575179.378305
2022	2830507575.6840954
2023	3281500000