Year	current US$
1960	226195578.43449736
1961	235668220.50820154
1962	236434954.038578
1963	253927697.25804955
1964	269819005.8781397
1965	289908680.4263955
1966	302925235.1519967
1967	306221953.10491055
1968	326323105.2647596
1969	330748244.5395739
1970	333627713.49443835
1971	335073027.54117006
1972	410331856.99121785
1973	504376074.1857087
1974	554654860.7025769
1975	676870140.3415287
1976	698408261.9222374
1977	750049778.8406903
1978	928843469.4317267
1979	1186231019.8204372
1980	1405251846.5404758
1981	1291120188.431039
1982	1267778670.359021
1983	1095348199.4391124
1984	1051134008.7897869
1985	1045712789.1488353
1986	1336102025.2776284
1987	1562412227.9005773
1988	1620246083.7947803
1989	1502294416.1712859
1990	1959965330.1476502
1991	1986437796.5305347
1992	1695315305.7030787
1993	2274558082.7613525
1994	1598075943.867737
1995	2169627137.920696
1996	2361116449.393076
1997	2268301646.4670687
1998	2455092686.347117
1999	3677393998.7448587
2000	3519991440.4791317
2001	3666222635.138748
2002	4194342686.2178025
2003	5349258094.482386
2004	6190270380.498556
2005	6567654954.38903
2006	7034111314.888124
2007	8169048382.838754
2008	9787734526.23965
2009	9738626517.003195
2010	9535345015.78355
2011	10693321363.657408
2012	11141358115.899054
2013	12517845123.931498
2014	13284527846.908115
2015	11388160996.773783
2016	11821065853.38379
2017	12701655836.9467
2018	14262408089.926104
2019	14390708751.024961
2020	15686741883.93395
2021	17687623530.335533
2022	17425418044.290585
2023	19673284686.00226