Year	current US$
1960	112771915.45519501
1961	126893746.46023755
1962	104827975.21516447
1963	99632771.8552955
1964	104822271.06687069
1965	105279938.25405072
1966	112749007.76090495
1967	132519860.55435285
1968	143800836.15638667
1969	150792096.65077904
1970	158825947.04415384
1971	169598347.20708948
1972	212675136.60317883
1973	235094360.77030262
1974	348144058.4276496
1975	489004628.27949226
1976	502196074.13743204
1977	499430789.32691735
1978	536657900.2202735
1979	582921406.906765
1980	1025655321.9264401
1981	1516938858.012878
1982	1480190944.5101156
1983	1085638605.693004
1984	1000785739.2430763
1985	1210204367.5476537
1986	992475138.3967165
1987	887412826.6630001
1988	894415286.0621941
1989	832266750.2139183
1990	532937075.94681686
1991	764320167.7134395
1992	482474332.4784737
1993	841262291.2295202
1994	1313209353.690337
1995	1345946345.8270025
1996	1523134197.6031663
1997	1397383585.856549
1998	1415791994.1846094
1999	1391767818.04081
2000	1407787623.3147407
2001	1490991861.985562
2002	1636664194.6701703
2003	2664560797.17105
2004	2367531821.979417
2005	2962430014.599882
2006	3885735888.2424655
2007	7035053890.624563
2008	6955613710.35838
2009	6910587818.277866
2010	7302180476.781681
2011	7981116108.33641
2012	6964355812.188546
2013	7195794099.247988
2014	9150318844.159832
2015	9508100092.034107
2016	8765973301.5654
2017	5521298085.788768
2018	5669133275.385026
2019	4944506819.003948
2020	3278620371.604715
2021	4849428753.13342
2022	5433021715.012096
2023	6023391372.551498