Year	current US$
1960	507349853.00294
1961	581898362.0327594
1962	669466610.6677867
1963	852372952.5409492
1964	1093658126.8374634
1965	1347333053.3389332
1966	1238555228.8954222
1967	1416211675.7664847
1968	1291684166.3166738
1969	1315833683.3263335
1970	1583578328.4334314
1971	1657286854.262915
1972	1319614258.6533494
1973	817837888.9624515
1974	1173131313.131313
1975	1840202020.2020202
1976	2300000000
1977	2769797979.79798
1978	3026262626.262626
1979	3369191919.191919
1980	4179393939.393939
1981	5273434343.434343
1982	5919146919.431279
1983	5390708661.417323
1984	5691674087.266251
1985	5707453825.85752
1986	5985430874.147552
1987	6381590445.674337
1988	6930561093.705497
1989	7596941767.773958
1990	7576123030.897957
1991	8621561391.469948
1992	9842187397.033316
1993	10716899963.024
1994	10143576450.733547
1995	11245276826.124645
1996	12028715743.260647
1997	11187552987.924377
1998	11014941458.191557
1999	9801844604.553434
2000	16226663445.276638
2001	15540295431.123325
2002	14651688860.019487
2003	17209612429.571453
2004	20692843494.875805
2005	23620277774.033993
2006	29593678892.553204
2007	32290835864.907925
2008	36389438257.9361
2009	32929732236.23951
2010	31397909722.432503
2011	33738559418.42767
2012	37938688631.00585
2013	38753009547.7359
2014	40457681170.600975
2015	47427027648.399796
2016	49979283200.163216
2017	55402068608.06286
2018	60784993524.142746
2019	49739824136.80058
2020	44509674423.97171
2021	50655825468.24011
2022	57666568689.278
2023	46389609735.01383