Year	current US$
1960	16939993.22400271
1961	18059992.77600289
1962	21979991.208003517
1963	32059987.176005132
1964	34999986.0000056
1965	46339981.464007415
1966	56279977.488009006
1967	55019977.992008805
1968	60339975.864009656
1969	68459972.61601095
1970	78399968.64001255
1971	92559321.1570754
1972	98344661.61501187
1973	156205193.67858908
1974	215459831.60577914
1975	210274939.55440643
1976	206310051.5775129
1977	198835049.7087624
1978	214360053.59001338
1979	259206462.34259918
1980	404322358.80816704
1981	429135154.7837858
1982	356874461.23468435
1983	345031864.2850731
1984	274456932.49471116
1985	204067439.17349994
1986	308879700.5906263
1987	478086553.6069405
1988	531962666.7276602
1989	586194983.2175293
1990	657906382.7024169
1991	685116692.5903057
1992	736799083.0339543
1993	777473864.2157184
1994	903787824.5960486
1995	1019660691.7124908
1996	951304720.7844722
1997	1053217235.7324128
1998	1059269205.4170878
1999	1006126049.270282
2000	1238723121.0917618
2001	1141012626.1746292
2002	1160641024.777466
2003	1840984148.9783733
2004	1981737785.6214006
2005	1804657378.8928642
2006	1837866505.8762772
2007	2118892222.0495317
2008	1744253132.9804318
2009	1775453056.1359806
2010	2062825085.7575417
2011	1678863998.0653155
2012	1793023335.4108891
2013	1863616565.248301
2014	1939674951.458887
2015	1751537858.0450797
2016	1681301232.2351692
2017	1915868748.7808905
2018	1886791240.24743
2019	2051994946.784789
2020	1788682373.8501697
2021	2137033463.4677258
2022	2099916839.2332532
