Year	constant 2010 US$
1960	236498822401.906
1961	239306330698.826
1962	240850134599.447
1963	243738137563.387
1964	262533197107.451
1965	249665093371.184
1966	253300158386.976
1967	272147363188.672
1968	277983064910.54
1969	288171876662.591
1970	300469208620.913
1971	304634126820.221
1972	301798071127.471
1973	312445787449.599
1974	320185797642.623
1975	336782019306.51
1976	339994542695.247
1977	356534775030.804
1978	367451655447.203
1979	354441350654.48
1980	376090644219.153
1981	389477053416.658
1982	394007214406.502
1983	410134414514.671
1984	419136577422.804
1985	428382771663.004
1986	437604014779.544
1987	442141646711.326
1988	476949093774.286
1989	479111321594.815
1990	498122844245.517
1991	501516063274.133
1992	522629595060.749
1993	533474236603.309
1994	547496781385.469
1995	555223295032.213
1996	590387600650.854
1997	587815320184.776
1998	611957426828.259
1999	622447255587.024
2000	635877787596.892
2001	653415619389.543
2002	650911382477.914
2003	684521127251.318
2004	699665120342.727
2005	736843626083.523
2006	762545791421.018
2007	790647482322.487
2008	798547906853.197
2009	806431360813.97
2010	856541804724.47
2011	891047970407.759
2012	910521796647.664
2013	950927898182.665
2014	968225541775.948
2015	994203974357.519
2016	1023473892768.63
2017	1066416941824.88
2018	1090268166913.72