Year	constant 2010 US$
1960	19803243209.135
1961	22608692541.8958
1962	20793316804.8861
1963	17987867426.15
1964	19803243209.135
1965	20793316804.8861
1966	20793316804.8861
1967	21783575129.7816
1968	24589040002.2265
1969	30199885198.3614
1970	30714782103.3341
1971	33219891317.5795
1972	33582882247.2495
1973	31140491106.1644
1974	32394773905.4654
1975	32460779127.5465
1976	35860298216.8588
1977	43336004078.7254
1978	37791079555.9168
1979	40349128336.1756
1980	43709360529.4087
1981	37163473781.7709
1982	29752005250.0521
1983	29870867190.4815
1984	28635889460.2997
1985	24596879772.8654
1986	27312566327.1221
1987	30845698057.2
1988	29760012463.0861
1989	23331385505.2499
1990	19400026243.9551
1991	25208719711.6225
1992	33437719697.4221
1993	37992986607.7066
1994	43187489367.871
1995	37536814650.8473
1996	40871325332.072
1997	48090371767.1914
1998	51237390168.5673
1999	44776429766.0758
2000	41729725005.0893
2001	35194411808.8757
2002	22366901116.2847
2003	30903493170.1865
2004	41542083643.2575
2005	48117519343.0816
2006	55081479393.1752
2007	66347403833.8611
2008	72116598996.8288
2009	55837825417.6195
2010	70497814077.3976
2011	82748897639.1009
2012	76894246657.5959
2013	78693179616.111
2014	73377024503.0295
2015	75917707460.0731
2016	71530826144.328
2017	80268848754.5004
2018	75600439987.4324