Year	constant 2010 US$
1960	2883936351.77282
1961	3333005353.50044
1962	3501215945.67299
1963	3705580398.15412
1964	4169491510.9558
1965	4451872188.31334
1966	4457580692.57259
1967	4611710307.57232
1968	4906649694.30021
1969	5177232796.18863
1970	5434496054.80547
1971	5808973934.21224
1972	6193346554.33503
1973	6565921598.98871
1974	6960569526.77816
1975	7731217601.77683
1976	8103031512.52928
1977	9271372050.92233
1978	8096181307.41818
1979	7409257961.55516
1980	9204011700.66319
1981	9033137139.83632
1982	9877234636.30401
1983	9071574401.8486
1984	8475225990.23234
1985	8848942735.73787
1986	9552611027.42802
1987	10099485735.4641
1988	8507193614.08414
1989	6884836703.60545
1990	6183832380.56961
1991	6305233237.81632
1992	6483719137.65552
1993	6683897353.67987
1994	7263500819.46899
1995	7880780413.36917
1996	8227476905.38092
1997	8852748405.24404
1998	9074238370.50292
1999	9392011774.26781
2000	9683145491.48953
2001	9605509833.56374
2002	9605509833.56374
2003	9979987712.9705
2004	10389097184.8834
2005	11334425490.2151
2006	12195648499.4605
2007	12720069757.4102
2008	13336207650.4586
2009	14945625284.6163
2010	15528653852.961
2011	16675302075.1689
2012	18054857271.1541
2013	19416145253.5098
2014	21120324058.3711
2015	22791393538.5287
2016	23980665259.2057
2017	25068325604.068
2018	25918892738.6962