Year	current US$
1960	210974842.7672956
1961	220421383.64779875
1962	220828092.2431866
1963	245236897.27463314
1964	278290356.39413
1965	433991320.17359656
1966	444491110.1777965
1967	443371132.5773485
1968	460870782.5843484
1969	530169396.6120678
1970	642727145.457091
1971	765924681.50637
1972	812543749.1250175
1973	997214016.7158996
1974	1269603649.843171
1975	1666222222.2222223
1976	1758900000
1977	2152058823.529412
1978	1782652173.9130435
1979	1395025000
1980	893170000
1981	780000000
1982	1094000000
1983	1188666666.6666667
1984	1799026155.9012368
1985	1702677937.5230603
1986	2083163083.818408
1987	3432845291.583446
1988	3532683333.3333335
1989	2869151216.9048414
1990	2293509098.4249144
1991	1640022079.3098192
1992	1377378750.2840047
1993	1554985198.2801416
1994	1842375698.463851
1995	2607120454.840447
1996	2480528661.5022187
1997	2389867335.54929
1998	2518761103.898787
1999	2086658940.121921
2000	1703706891.843478
2001	1626594431.0027623
2002	1447849250.7242553
2003	1619150620.9989698
2004	1720514949.5875678
2005	2316728956.3344245
2006	2398120933.9684134
2007	2651666848.870798
2008	3088022454.4834003
2009	8762784440.619572
2010	8767029150.793251
2011	8074229061.53183
2012	7420999147.406218
2013	7526872842.327026
2014	8094389151.236746
2015	7602039498.29227
2016	6617718105.24881
2017	7212295507.749998
2018	7655630110.985788
2019	8110814040.3751545
2020	8997404795.157503
2021	9663032723.944218
2022	10941021164.42827
2023	11711173308.779205