Year	constant 2015 US$
1960	10551106257.778278
1961	10626706249.820383
1962	11057493572.895401
1963	11679800875.810423
1964	11689438769.532751
1965	12453838689.069601
1966	13892183800.822744
1967	15206827872.965473
1968	16835720333.082056
1969	18627572776.044956
1970	19979176844.297157
1971	21703387189.117123
1972	23474637528.985504
1973	24004898525.800133
1974	25736624659.302647
1975	27511765525.077293
1976	27671188666.190647
1977	29587537938.15388
1978	31234291449.021935
1979	33049398626.379074
1980	37004737157.39607
1981	39475397949.95809
1982	40341216806.18769
1983	41803524020.68166
1984	43821822755.59759
1985	45295889968.85367
1986	47681754980.86788
1987	51114171461.666145
1988	55496318368.80858
1989	61791454548.26792
1990	68238144395.98478
1991	71552076678.72874
1992	76025827786.75494
1993	79224724292.13426
1994	81853216647.0298
1995	85018159471.77266
1996	90908327272.80763
1997	93086844938.22682
1998	96843855069.06787
1999	101641050353.57362
2000	102334006070.1046
2001	108934813796.33536
2002	116063406730.1677
2003	121941726111.39723
2004	127555224467.87108
2005	134367358487.64644
2006	144626852144.54184
2007	154069335361.12256
2008	161492900895.48407
2009	172232520817.62933
2010	181916393482.48486
2011	186579542465.31128
2012	194959116320.093
2013	204284441654.2693
2014	213006823894.01852
2015	221130418828.37695
2016	230922430429.21783
2017	240000088421.0433
2018	252789219706.3979
2019	268967883266.53854
2020	282662446035.5319
2021	298148507563.31494
2022	310136013669.89325
2023	314186051138.31036