Year	constant 2015 US$
1960	13060415035.401217
1961	14358016852.853546
1962	14442413718.579935
1963	14642856275.771019
1964	14980443740.61597
1965	15180886297.807055
1966	15191435905.416794
1967	16056503783.718346
1968	17575647374.550934
1969	19168638222.530476
1970	20962071628.6708
1971	22892649941.495296
1972	25213563760.122528
1973	27428981496.834194
1974	30051047128.382847
1975	33079110020.204918
1976	35035388480.2298
1977	39259693295.331505
1978	42743294778.45134
1979	46347728778.251396
1980	51811775223.956406
1981	56877074362.87123
1982	59833846068.067726
1983	62594869095.15621
1984	66195514413.51643
1985	69210289818.32356
1986	74084320903.1253
1987	78713104116.84422
1988	84094716111.02602
1989	91926211591.2134
1990	98908780412.73143
1991	104666989837.05492
1992	112213227868.97043
1993	121192889968.32607
1994	129785674445.8118
1995	139656842459.2621
1996	149088893567.56027
1997	157413497204.50024
1998	131500828198.53761
1999	130145558067.5733
2000	136879815511.50432
2001	143568193758.85413
2002	151027549784.72345
2003	160630006981.1099
2004	172051312295.61188
2005	185593523340.00427
2006	199197584643.56848
2007	217123355842.15543
2008	235925014754.169
2009	249668955938.61957
2010	270677230284.79535
2011	293443296998.9359
2012	313455898417.4141
2013	333486429476.57697
2014	353552781029.352
2015	372828056277.61035
2016	393946651799.888
2017	416219532183.4608
2018	440449099757.89655
2019	468601748350.25366
2020	461790298217.73834
2021	478159662588.2884
2022	509020520860.79944
2023	540205315086.1014