Year	current US$
1960	108046845.48545523
1961	112580279.56176804
1962	118121143.43281703
1963	122780506.23347186
1964	135877093.56504217
1965	140914242.53872308
1966	146829391.04177153
1967	157403953.74860126
1968	159166380.39619833
1969	173147301.0064044
1970	210478046.54362032
1971	235940605.63544956
1972	305507620.11866444
1973	420158292.8745543
1974	556352624.8628359
1975	668376764.0892925
1976	683134290.9498003
1977	710128182.7694454
1978	823953347.4811962
1979	1006357696.0859977
1980	1184769519.4782171
1981	1224744830.2007775
1982	1157811311.9323416
1983	1094736976.6572928
1984	1149797477.7317874
1985	1130745418.0731895
1986	1281948438.7385623
1987	1166836487.7662885
1988	1094738991.1470518
1989	1163295227.7067928
1990	1289546683.5211911
1991	1344237230.9322982
1992	1482377472.6528635
1993	1581878030.1924732
1994	1739605566.464612
1995	1931050469.554508
1996	2100762488.4201524
1997	2052747328.8655686
1998	1597530119.78456
1999	1871625309.3863046
2000	1711480415.7613482
2001	1638537768.7721574
2002	1848095477.6167176
2003	2301494697.6634274
2004	2708366993.6526256
2005	3023749797.4626355
2006	2955406654.3438077
2007	3302755697.696081
2008	3436092991.1526637
2009	2859170936.237664
2010	3042538815.2987556
2011	3663305384.380005
2012	3825371293.144339
2013	4108022907.6985483
2014	4631708776.084924
2015	4398111344.708076
2016	4658241004.899995
2017	4930366664.650741
2018	5221596259.425692
2019	4993717624.524797
2020	4151389774.553268
2021	4054721720.362807
2022	4715148902.497357
2023	5113251324.19701