Year	constant 2010 US$
1960	216856280.318135
1961	223908908.902722
1962	230961049.433021
1963	238013126.460165
1964	218619692.037886
1965	222155658.136635
1966	213340317.937758
1967	241550578.039088
1968	245076531.956583
1969	250365918.237964
1970	278568880.413054
1971	279868327.083572
1972	304719352.163015
1973	320983381.151538
1974	300555840.92557
1975	288845824.946109
1976	262433300.581052
1977	226913259.793866
1978	226782752.731201
1979	244738278.696402
1980	287544829.741046
1981	313696849.801159
1982	242383322.74169
1983	323177770.611762
1984	328356845.629065
1985	373933272.373091
1986	365128729.730181
1987	359431700.537451
1988	288995509.06416
1989	283988031.465799
1990	446896696.008182
1991	428545467.520005
1992	425856720.579847
1993	425932408.936225
1994	444248401.924425
1995	457862705.652069
1996	468266654.252169
1997	486906368.151226
1998	512167823.773469
1999	523283952.632999
2000	550435478.477165
2001	601372638.53192
2002	628972949.927229
2003	722095951.789448
2004	756876832.003047
2005	807589599.282232
2006	879170894.689576
2007	915971309.88332
2008	1065416898.41401
2009	1164149719.66552
2010	1174696180.11739
2011	1197359850.45012
2012	1264902075.89718
2013	1356903113.88154
2014	1342093190.69381
2015	1508368237.39238
2016	1506542199.89289
2017	1533949013.80754
2018	1511616331.3457