Year	constant 2010 US$
1960	11609701614.3508
1961	12120483751.3982
1962	12929115508.5084
1963	13468774952.819
1964	14725897757.4959
1965	16045872865.0499
1966	17050986871.2556
1967	18494944570.8093
1968	18743630458.3372
1969	20181288897.2683
1970	21372181427.7056
1971	22428283449.0469
1972	23699104474.3001
1973	25264664374.919
1974	28367847561.3309
1975	31753570614.3265
1976	33383378212.8767
1977	35561809968.0527
1978	36807602814.586
1979	38959426882.4355
1980	39038669714.0607
1981	41700183832.795
1982	40846711866.2562
1983	42316340127.5612
1984	43450986081.7422
1985	45118102849.668
1986	44624395688.2366
1987	44723739574.7195
1988	42263998740.6069
1989	44546254645.3166
1990	44813532109.3512
1991	44141329085.3293
1992	42817089253.8266
1993	43930333568.3338
1994	43447099955.5026
1995	45881099275.8831
1996	48298206754.3059
1997	46768586965.5022
1998	47981074245.3487
1999	49694124172.4971
2000	51499684353.2615
2001	53953324755.8861
2002	55421572437.138
2003	57078061890.7842
2004	59406613184.8053
2005	61840067107.1947
2006	66046219060.9697
2007	69609186527.8871
2008	67985891786.6006
2009	69361630935.9884
2010	66470717230.4566
2011	61803983427.7685
2012	58095763814.3252
2013	54348872993.3956
2014	53608661965.5262
2015	54452554237.5304
2016	54067177712.2875
2017	53845122059.1
2018	52493341483.2414