Year	constant 2010 US$
1966	21064874980.2113
1967	21985239537.7641
1968	23312852619.9943
1969	24599759430.8535
1970	25755370877.9789
1971	26305777911.2756
1972	28356051048.8986
1973	28131348787.5077
1974	27170878795.6322
1975	26793212279.7303
1976	27083331989.7012
1977	28145621896.8956
1978	29792334892.6684
1979	31330542802.3741
1980	32075152086.5404
1981	32400757672.7457
1982	32832012031.8229
1983	32061196878.2321
1984	32367036459.4863
1985	32346909192.1426
1986	32778324298.7265
1987	33400549208.4762
1988	34155166347.507
1989	35620965277.7272
1990	35969593478.7611
1991	36452034064.0521
1992	37179152962.6104
1993	38289730586.4193
1994	39380004516.7068
1995	40510741156.3386
1996	41875243554.4062
1997	43153267410.9451
1998	44448320222.801
1999	46270081393.9952
2000	48037560801.7846
2001	49011982863.5825
2002	50805211789.1369
2003	53728247934.8378
2004	55861412826.58
2005	57939169428.4491
2006	61885584025.6951
2007	63884804352.2692
2008	64676191060.7829
2009	62374676400.1561
2010	63286770718.6336
2011	63994430475.9566
2012	64841653605.7295
2013	65632815598.4091
2014	65849455950.2756
2015	66618743033.6956
2016	65252716423.5523
2017	65444935341.9252
2018	66517344741.9039