Year	constant 2015 US$
1960	29772309610.378918
1961	31577430021.305748
1962	31972628688.84428
1963	36230670976.41146
1964	39292129087.9571
1965	40331913179.01744
1966	41949112739.302635
1967	46080798404.55091
1968	45099788005.68497
1969	41311956735.55379
1970	53428441234.78355
1971	48898265811.9173
1972	40788467380.69069
1973	33379647893.96926
1974	31824957528.072575
1975	30429086213.610184
1976	33088849943.366062
1977	35749578712.39777
1978	38643782924.11014
1979	47996853228.21927
1980	53021634794.74846
1981	45793138566.88059
1982	46689229704.080765
1983	53714998253.85531
1984	51510384435.99928
1985	57168023054.14497
1986	60711457536.718605
1987	60935706417.8926
1988	62922728155.211426
1989	66382427429.33598
1990	66821117103.78124
1991	64108313617.87266
1992	79151687721.45235
1993	93289458792.20213
1994	99806625674.70099
1995	120208758385.6744
1996	124264811026.93692
1997	132848829957.46211
1998	148690815573.78497
1999	154056216007.17447
2000	159126101909.54257
2001	165222679425.28146
2002	177270871059.9391
2003	199853510711.26614
2004	244612677881.74246
2005	324788721686.49426
2006	387381103666.4273
2007	421312828597.762
2008	494997449452.9464
2009	478490831859.5881
2010	539525098404.38855
2011	637679416747.02
2012	672224375299.3822
2013	627673773623.3038
2014	636563136336.9154
2015	608010544356.629
2016	636214247186.4988
2017	740493438308.51
2018	817691878847.534
2019	818820944926.9587
2020	719749500039.6177
2021	864341902282.5848
2022	963014163579.8983
2023	1033456017427.6798