Year	constant 2015 US$
1960	23648099153.837433
1961	23615108118.82771
1962	24135555385.178913
1963	24699663971.80418
1964	24865256252.45595
1965	27338133986.109386
1966	30075263527.307972
1967	33466518828.075848
1968	34619720875.65035
1969	38354959882.9325
1970	43002560054.75478
1971	51309042160.732994
1972	57678246801.742035
1973	63864587333.16984
1974	87322918303.13026
1975	111062569826.39981
1976	115885162350.52585
1977	119134113345.78842
1978	121398614175.34055
1979	120137068319.41608
1980	112295835428.28291
1981	113907268812.60367
1982	118318575584.17493
1983	129876807446.08984
1984	132041421726.93152
1985	135517865446.74817
1986	117506203667.17456
1987	110043867617.59373
1988	110504490505.24117
1989	109835574564.47197
1990	128531400397.79408
1991	139812787888.0097
1992	144552516972.61633
1993	153115363530.4072
1994	148200303109.9168
1995	140147140420.68958
1996	144113313830.8919
1997	152099331592.60397
1998	157006871229.1556
1999	154932555260.60803
2000	171606357882.3295
2001	180742556706.5958
2002	197485183313.85938
2003	201414316764.68472
2004	219016073086.4538
2005	232800468005.17233
2006	249035144186.66626
2007	269364452566.17197
2008	261818699774.964
2009	265512115642.267
2010	272979833364.83423
2011	280733902231.8569
2012	277256700954.13446
2013	276418061544.6957
2014	277009958578.06067
2015	281627782871.8347
2016	295141178958.9607
2017	298069522809.9568
2018	292564852871.63165
2019	278136585180.0245
2020	278700784566.57
2021	292347890848.89374
2022	309283413315.6641
2023	317644511166.1916