Year	current US$
1960	741153123.5387506
1961	765713733.7145066
1962	793292462.6830149
1963	818648832.540467
1964	949271020.2915919
1965	1007019597.1921613
1966	1079399568.2401729
1967	1156713481.090351
1968	1140599087.52073
1969	1271038983.1688135
1970	1463520585.4082341
1971	1649491715.9180691
1972	2030594298.0741665
1973	2088541666.6666667
1974	2618112618.1126184
1975	3156453046.453047
1976	3228393338.3933387
1977	3204743094.743095
1978	2559334530.56696
1979	2445066744.9390235
1980	2678705695.456434
1981	3235789370.2776437
1982	3642599779.9508257
1983	3884605248.789344
1984	2516711457.125437
1985	2306749358.376759
1986	2673082494.4827633
1987	3276032626.000448
1988	3987407247.8835044
1989	4791908494.907081
1990	4767327452.229077
1991	4180572909.509218
1992	3731671537.392804
1993	5150319357.237194
1994	5468245371.832192
1995	6912987057.666447
1996	7928057764.049885
1997	9055778187.537748
1998	9455813953.488373
1999	9434370371.910912
2000	10079631133.144278
2001	10454352256.97747
2002	11305429108.453575
2003	10837591408.817263
2004	11622525213.571861
2005	13486036568.462645
2006	14373798994.272589
2007	15588254056.868465
2008	17779831088.76641
2009	14293174560.482544
2010	15633271222.790052
2011	17779152762.766125
2012	18016175405.101185
2013	17417707901.271187
2014	16989265838.692928
2015	16498071570.478642
2016	15882955617.05795
2017	16913200845.90308
2018	17752232712.291996
2019	18053160163.978195