Year	constant 2015 US$
1964	2713870139.041715
1965	2440496805.337291
1966	3002513666.213248
1967	3054634980.842127
1968	3203182237.3601913
1969	3486152384.333872
1970	3211662889.6046295
1971	3729616567.6978836
1972	4155550621.2886276
1973	4268726608.2408814
1974	4164514162.4882717
1975	4471115453.856871
1976	4556344518.6254835
1977	5011734510.98975
1978	5201145841.190093
1979	5341906590.660463
1980	5399249090.884886
1981	5719159880.016086
1982	6140476355.247701
1983	6254316307.075819
1984	6036958053.145192
1985	6279245205.541523
1986	6588472183.734946
1987	6864561228.283486
1988	7177168396.228907
1989	7472391729.825361
1990	7731821273.639701
1991	7676893194.536735
1992	7421568169.358245
1993	7178737770.458239
1994	7399657294.42852
1995	7754275389.705332
1996	8100986254.194493
1997	7852676370.429926
1998	8503624189.716603
1999	9106733138.051115
2000	8990421794.341719
2001	10038531164.85429
2002	9687547901.8748
2003	9922997113.067436
2004	10096474848.085546
2005	10793777615.230938
2006	10980515866.946997
2007	11539413892.2368
2008	10964374407.315725
2009	10712436334.549038
2010	11821198846.506113
2011	12102033188.174212
2012	12398488644.415464
2013	12900629690.796417
2014	13078593943.659243
2015	13652180891.463017
2016	13841863254.733656
2017	13663398616.72143
2018	14445518801.060595
2019	14835118678.385103
2020	15520901074.596643
2021	15466077058.045784
2022	15212481864.328777
2023	16140441574.93915