Year	constant 2015 US$
1960	4872764569.137597
1961	4849099779.133812
1962	4979816219.138305
1963	5154914865.227165
1964	5299661542.7738905
1965	5231126360.362653
1966	5332573168.832325
1967	5414772682.980185
1968	5902291499.919987
1969	6138955449.024209
1970	6450384357.043261
1971	6901191656.082493
1972	6627146538.253059
1973	6450681862.959244
1974	6287630947.817401
1975	6292040564.124785
1976	5960955053.037846
1977	6176724301.183221
1978	6089110935.862986
1979	7031254868.617296
1980	7277642124.646748
1981	6317750643.466936
1982	6143328027.780337
1983	6029514477.317792
1984	6050664093.568752
1985	6271146365.716373
1986	6203449372.044258
1987	6103324865.697973
1988	6231060153.484363
1989	5958315656.039683
1990	6726609309.996546
1991	6108302615.709777
1992	6157603027.208087
1993	6375764327.705892
1994	6272342074.664866
1995	6365953719.940441
1996	6469383364.809285
1997	6881065846.262747
1998	7253654468.450407
1999	7460521199.196159
2000	7812206195.536751
2001	8244610058.464937
2002	7800435608.88517
2003	8947235227.05862
2004	9317932417.76767
2005	9478831637.657629
2006	9606508820.924778
2007	10103478325.73079
2008	11137441683.04083
2009	10776585992.273312
2010	10708706598.108284
2011	10861059130.538933
2012	11135059557.634521
2013	11632329789.769648
2014	11318146764.60365
2015	11825662351.03311
2016	12393506434.761375
2017	12543102603.472105
2018	13098652422.118845
2019	13537156791.06658
2020	13672674148.605982
2021	13287394459.705368
2022	13498105028.086899
2023	13922203990.669271