Year	constant 2015 US$
1960	27596806210.60351
1961	28932207849.816147
1962	28978350465.80324
1963	33085878239.66869
1964	35267501138.42163
1965	39187555358.56896
1966	37587069275.95695
1967	42223021224.43115
1968	45144665701.87908
1969	39193577025.23843
1970	55536461244.72478
1971	51690442776.23714
1972	37290890379.50944
1973	33922709602.32791
1974	38899116951.867485
1975	35784570739.97616
1976	37741634462.60773
1977	41316618919.94538
1978	44832745845.14121
1979	53238897912.18762
1980	56742869958.65411
1981	48636374350.648575
1982	48871612623.778946
1983	51277968122.42396
1984	54644592645.23548
1985	58077129186.34776
1986	57799343709.17943
1987	58532235820.513885
1988	57720237543.52154
1989	61980370780.266235
1990	61058164651.85975
1991	60183968968.46673
1992	71515903816.87918
1993	82589788028.42174
1994	81336000209.38577
1995	84782491196.303
1996	96019451109.16513
1997	97345925099.76039
1998	91651588824.45082
1999	86148956676.0591
2000	86297945764.17062
2001	91974475113.43338
2002	89332436441.98369
2003	93024166696.03995
2004	99498894552.12982
2005	123111939168.47124
2006	137395298659.90044
2007	147741429135.42334
2008	159390683193.8271
2009	151067856403.8741
2010	154053815754.8947
2011	158825650143.21582
2012	158908913829.61676
2013	158704736650.88306
2014	167038497584.26614
2015	170356629853.81464
2016	180652023607.6849
2017	198851964369.2959
2018	226648634445.18777
2019	243096445531.33255
2020	217124730759.1204
2021	256755995419.0541
2022	286359922363.8502
2023	289980871729.52563
