Year	current US$
1960	15607052571.344938
1961	15216717584.302355
1962	15474825272.211271
1963	17411690749.92122
1964	19446933338.186615
1965	20480622110.910572
1966	21550394475.29019
1967	22257208358.898155
1968	24115513329.164734
1969	26659406540.888885
1970	29170400007.27993
1971	32215218373.75327
1972	35413922645.816925
1973	53652055663.53888
1974	90947631485.98781
1975	91545133312.52127
1976	103874047555.57486
1977	121654767984.95593
1978	134877281762.54092
1979	187333272490.9054
1980	249118994226.47345
1981	233647242797.18555
1982	232443743962.03677
1983	235071856903.88394
1984	249370644464.0942
1985	240974581724.3949
1986	214590265179.19986
1987	255026983696.30704
1988	288648087200.36255
1989	324019306859.8068
1990	369220832771.0729
1991	380612206382.7345
1992	418912005240.15326
1993	444392951065.50543
1994	528018478395.7324
1995	635316490469.4697
1996	684406730218.5007
1997	758671991982.5891
1998	727762653825.0529
1999	790081841554.3457
2000	970820625647.7043
2001	949020795834.7534
2002	1035386598082.114
2003	1247222286734.7307
2004	1591804836362.0781
2005	1960952566441.6653
2006	2394019315324.0547
2007	2886136742630.71
2008	3443171822053.6465
2009	2721844907635.0674
2010	3525197227202.559
2011	4284549038034.8916
2012	4483989474710.168
2013	4590657404980.326
2014	4667564285633.682
2015	4211046506225.3975
2016	3960439826541.6772
2017	4401395011249.812
2018	4874729513868.881
2019	4803889254862.664
2020	4647451224646.938
2021	6043766305149.365
2022	6750131686458.617
2023	6424997369922.818