Year	constant 2010 US$
1970	1112111961.76743
1971	1203375529.94688
1972	1219304854.65687
1973	1362026269.67164
1974	1307880890.00603
1975	1283967122.6079
1976	1175638543.42418
1977	1069900521.45425
1978	1000812344.93548
1979	1003783932.05745
1980	1383146698.04438
1981	2003002175.69749
1982	3010213717.60544
1983	2716385078.43522
1984	2644400641.12188
1985	2271383051.52429
1986	1925215258.49339
1987	1764634442.37531
1988	1308637610.15425
1989	1096027969.75307
1990	1212802718.54078
1991	1663795076.16812
1992	1701879611.33276
1993	1031222406.96241
1994	1500739005.98244
1995	540139375.805819
1996	396008736.251702
1997	930761100.033617
1998	1312700437.1144
1999	1084667526.75081
2000	746780245.338433
2001	1241175189.93178
2002	1615357467.08114
2003	2178153773.50068
2004	1226585325.20672
2005	669139123.740298
2006	372030439.983402
2007	1368769669.39917
2008	1645517218.31313
2009	2345650651.69529
2010	2103321031.29076
2011	1316330774.09448
2012	1909572420.22968
2013	2961829037.92291
2014	3767720753.39751
2015	5177833354.14835
2016	4868595914.75093
2017	3918951733.67433