Year	constant 2015 US$
1967	2803041175.354473
1968	2940267938.6427474
1969	3274292683.787531
1970	3409391813.6488223
1971	3615763613.9016232
1972	3814689242.161346
1973	4135948498.1735873
1974	4332746493.006338
1975	4601881208.516094
1976	4905056410.877259
1977	5239080922.450037
1978	5520980880.544099
1979	5608209971.15971
1980	5872025758.816694
1981	5936565574.466963
1982	6089471196.569487
1983	6281580626.40291
1984	6573824886.895489
1985	6805884710.152163
1986	6848850252.262171
1987	7009681125.915462
1988	7548852523.81431
1989	7491329669.522018
1990	7954119054.642273
1991	8203334128.2086315
1992	8518195890.824798
1993	8443391968.34443
1994	8731609242.76492
1995	9040097311.21043
1996	9208301252.889565
1997	9584857822.527857
1998	9782836065.360088
1999	10063045942.076584
2000	10365693477.721487
2001	10611230544.962433
2002	11002170008.05215
2003	11245761182.736374
2004	11373501731.118828
2005	11803302796.112543
2006	12154854533.66673
2007	12703462791.554209
2008	13564435183.979885
2009	13158546310.55951
2010	14266292937.229294
2011	15235533193.059292
2012	15506052430.444908
2013	15394871259.362274
2014	16190591373.302826
2015	16445235257.899452
2016	16554567740.537983
2017	17115149578.867458
2018	17657468484.94435
2019	18256634395.639935
2020	16898956591.764645
2021	18216170598.533306
2022	18266828236.781044
2023	18676953945.778164