Year	constant 2015 US$
1960	26238055770.574707
1961	28271734824.44319
1962	31326666005.445965
1963	32712922587.65266
1964	34762639341.32665
1965	36869108237.76428
1966	39747285017.099815
1967	41183821346.24615
1968	41028934362.501396
1969	42430998514.5071
1970	44281871930.44938
1971	46534795774.223434
1972	48156587107.64474
1973	50971796215.26069
1974	55976219139.85345
1975	58396088385.652824
1976	58686730863.43815
1977	60039121483.82173
1978	57474119923.59802
1979	58835465639.6971
1980	62942953803.151596
1981	66801792551.39848
1982	66646666349.65624
1983	58578607512.895645
1984	60564746982.563095
1985	62266762779.33824
1986	67379068733.32383
1987	74509019715.05304
1988	65197556919.692154
1989	58667729084.40616
1990	56072048260.57569
1991	59461192657.26895
1992	58897305530.29186
1993	61753447018.58419
1994	69001774368.79712
1995	73834354846.5245
1996	76855954000.26413
1997	82070714844.91322
1998	82553480918.86682
1999	83777057084.13388
2000	85637816929.57155
2001	86670741275.68044
2002	90943804376.72351
2003	93865373441.80867
2004	96731236404.88704
2005	101599799673.53163
2006	106659878128.29704
2007	116056615472.38911
2008	128029506594.58029
2009	130307524096.05374
2010	138992214698.56442
2011	147338453048.6367
2012	158446006553.75806
2013	170036427299.92194
2014	175345722682.966
2015	183303872361.81946
2016	189122877517.0632
2017	192802693488.24466
2018	199758497496.55045
2019	207140512937.20343
2020	186316590643.39883
2021	199252830734.8506
2022	207343710436.08026
2023	209927279710.64462