Year	constant 2010 US$
1960	31286874.5456142
1961	56800574.4365636
1962	70581703.5938338
1963	43205685.9594461
1964	25141238.7492372
1965	24303198.292014
1966	24021611.5416831
1967	38847217.8036634
1968	54928317.8105285
1969	45384564.2863814
1970	49849181.4990883
1971	52658689.2921397
1972	69555436.220403
1973	18856731.5475081
1974	39397688.2512416
1975	80108028.690899
1976	106909509.975414
1977	96744359.6611807
1978	76289678.1003382
1979	65833947.6130932
1980	96608856.0957321
1981	115566162.145264
1982	126989444.249361
1983	145974364.082847
1984	198525144.33769
1985	235638884.974212
1986	248279793.805662
1987	243618442.463086
1988	236175075.799855
1989	161884511.072769
1990	170994917.088258
1991	166228376.10913
1992	161594704.020238
1993	263818082.841893
1994	62507775.822587
1995	330701322.473178
1996	298658524.804019
1997	330898742.59102
1998	264420683.561505
1999	325365299.311007
2000	382555033.521441
2001	456131455.884426
2002	291248830.763083
2003	571016389.12786
2004	1104870896.6681
2005	1649693547.49319
2006	1228481264.29025
2007	1356238007.99143
2008	1553305279.61579
2009	1358329822.65035
2010	1700099965.92894
2011	2077455606.79952
2012	2730911382.90777
2013	2709487858.14711
2014	2185030459.63948
2015	2284003937.94259
2016	2124912976.89773
2017	2158427863.35801
2018	2214515316.95081