Year	constant 2015 US$
1960	2132166792.0328674
1961	2371463021.2390122
1962	2246206401.309026
1963	2847251226.8994746
1964	3509989611.616185
1965	3599725697.5537505
1966	3902584987.6814404
1967	3879216215.29941
1968	4447544759.531443
1969	5119630653.224538
1970	5119630653.224538
1971	5806646505.0130205
1972	6485773865.7395935
1973	6921075141.4332905
1974	6439877190.898783
1975	8379300113.65335
1976	8018967142.438396
1977	8493384774.08992
1978	8182924878.475653
1979	8255240838.096653
1980	8803582020.437464
1981	9499574074.215979
1982	9281274610.699808
1983	9845541717.470276
1984	10345328553.74213
1985	10713047365.959345
1986	11153274112.886978
1987	11722979314.89038
1988	12360964584.06859
1989	13078698011.614296
1990	13876179597.645226
1991	14673661179.505001
1992	15550890929.883139
1993	16301623598.996033
1994	17052356259.278103
1995	17910336444.980705
1996	18832665147.701794
1997	19840791876.0578
1998	20638984648.1639
1999	21612019647.46599
2000	22562249156.150654
2001	23666212412.21257
2002	24325078751.22123
2003	24988026397.271008
2004	25497986120.925842
2005	26211929732.276443
2006	27027865283.059517
2007	27078861257.191166
2008	27656372517.54913
2009	29196402536.33955
2010	30511844851.599365
2011	31666867372.3153
2012	32661470089.65653
2013	33376812123.9528
2014	36185838124.88259
2015	38733153638.81402
2016	40251074521.68798
2017	41263021782.82451
2018	41946418484.501976
2019	43006861651.412704
2020	46412062474.84643
2021	47979161817.10451
2022	50335702181.40238
2023	48931601015.28957