Year	constant 2015 US$
1960	31322862219.698692
1961	32558537531.07161
1962	34390953602.32068
1963	36585030740.45467
1964	38800204774.39902
1965	40958115805.8446
1966	43447549481.45058
1967	44351702147.69487
1968	45569294406.20763
1969	47043063252.5538
1970	49032359707.93874
1971	50450622608.75826
1972	51852795007.1988
1973	52910170913.91788
1974	52174605065.42873
1975	52005318875.6504
1976	58995400647.5099
1977	60439375122.51935
1978	59770758604.65538
1979	56461773978.22531
1980	62808214883.14489
1981	62391853954.53425
1982	63936597435.25326
1983	69290763309.15392
1984	73735647922.5566
1985	77372772968.42313
1986	80524359475.82425
1987	83746569771.36014
1988	87805595715.58273
1989	91803969548.67097
1990	95911983737.20981
1991	99756394513.97723
1992	103033941325.14073
1993	106130060258.34367
1994	110605405809.32112
1995	114287083967.26743
1996	118846080831.34653
1997	123844757195.9902
1998	128754845136.07886
1999	134551833772.40123
2000	141280710820.99414
2001	146906197122.7521
2002	149845415204.387
2003	153330192301.77936
2004	156546909622.8727
2005	164106195328.81842
2006	174667750532.61615
2007	186784052441.15024
2008	197488108860.16428
2009	208677138706.5648
2010	217268096608.74063
2011	229288509480.5962
2012	244149481010.36966
2013	252295624087.3867
2014	263385938603.6585
2015	271495956873.31537
2016	284121575517.9659
2017	296024698103.4983
2018	299401656055.2742
2019	304048500692.6838
2020	326436132772.5626
2021	346680073826.4414
2022	356292579921.80365
2023	369868671611.1019