Year	constant 2015 US$
1960	2684236042777.239
1961	2838503627176.825
1962	3002027904912.642
1963	3149397562607.1353
1964	3334715917982.512
1965	3503056330716.179
1966	3657637491622.813
1967	3784860790544.614
1968	3999092017720.739
1969	4284355795257.5977
1970	4524152530993.829
1971	4694845411219.056
1972	4924480675172.547
1973	5227416538749.921
1974	5395409696952.52
1975	5353723656250.749
1976	5622863787482.57
1977	5796363107932.669
1978	5977414576371.8545
1979	6208948808427.251
1980	6343019481276.792
1981	6376247528691.416
1982	6421690501637.458
1983	6510965687333.533
1984	6665839655360.883
1985	6820010884448.098
1986	6991031693493.973
1987	7168148612270.725
1988	7476800650642.454
1989	7783313921196.648
1990	8063797734202.147
1991	8250385894964.395
1992	8341745660496.408
1993	8280324721003.013
1994	8482943755882.493
1995	8689969585751.56
1996	8838314883872.225
1997	9078842210333.18
1998	9354179396979.656
1999	9629997828240.979
2000	10001829204485.78
2001	10221791939291.32
2002	10319874305653.848
2003	10392388688751.643
2004	10631610967064.523
2005	10811598156883.895
2006	11161807014416.541
2007	11497906302597.477
2008	11546740434740.21
2009	11023194133278.14
2010	11261812158442.828
2011	11454906875037.574
2012	11357464648713.852
2013	11332572294999.07
2014	11491033218395.84
2015	11727106023830.518
2016	11945908763905.352
2017	12259920064925.734
2018	12479242097863.021
2019	12677715217553.719
2020	11903098048524.963
2021	12612919829083.111
2022	13045053754199.31
2023	13103343887030.816