Year	constant 2015 US$
1960	1397726501.3573465
1961	1229325700.2757902
1962	2336560787.6992803
1963	2781770955.8300695
1964	3206981357.757085
1965	1973446626.9300516
1966	2685256800.154101
1967	2679530458.462511
1968	2894745560.9570417
1969	3168377608.571613
1970	3560329975.4175305
1971	3307208839.456761
1972	3483724292.5026217
1973	3956867190.563841
1974	4742526628.696323
1975	4845292773.191187
1976	4656127964.828134
1977	4912492673.71609
1978	4787782260.826765
1979	5365741011.893881
1980	6048371920.51137
1981	5167940875.90677
1982	4224202055.170312
1983	4390193259.512662
1984	4143358995.4198422
1985	4315487610.426624
1986	5176466101.159885
1987	6109295459.798488
1988	6221330868.306863
1989	7202422929.900106
1990	6166626106.978143
1991	6326958385.971837
1992	7666008916.375832
1993	8212027428.794235
1994	8915202402.116493
1995	9367820787.319016
1996	9684376743.228828
1997	11350629996.437717
1998	13271179813.314476
1999	13404740066.11
2000	14414366436.833927
2001	13565536255.788452
2002	13595374938.288774
2003	12225630795.111977
2004	12945547493.545437
2005	14074295884.302557
2006	14924468417.23748
2007	15604829542.14892
2008	16460234044.360716
2009	14727625485.735304
2010	17482163937.43121
2011	17501836027.93534
2012	17768371124.603584
2013	17379977552.2776
2014	18210090713.42974
2015	20217568219.191
2016	21859831022.14943
2017	21209362819.127144
2018	23017599787.97358
2019	24355585345.798153
2020	20821754538.028774
2021	26165787263.923203
2022	29932321586.77522
2023	30020552681.38115