Year	constant 2010 US$
1970	169848708294.823
1971	175207461954.902
1972	179761114808.205
1973	188057118090.515
1974	194066511555.159
1975	199900311500.966
1976	210941498887.266
1977	219640187068.27
1978	229763972651.969
1979	232695902988.257
1980	232502779784.644
1981	226956068970.986
1982	223674597724.181
1983	226490872562.382
1984	227861202497.406
1985	231027415838.346
1986	236497818215.205
1987	241408134203.98
1988	245153102225.484
1989	252889017397.961
1990	263104411699.549
1991	270229009759.338
1992	272162616620.959
1993	274369903346.879
1994	279723019859.145
1995	287176331062.894
1996	301323497760.519
1997	313907339788.679
1998	331538744336.072
1999	351287539107.434
2000	364156175040.161
2001	371602699495.668
2002	375927447567.15
2003	375437132786.521
2004	378290123319.499
2005	381732765367.697
2006	381137902904.454
2007	388282969282.002
2008	391739120724.539
2009	384353395695.449
2010	384757224367.101
2011	385024758107.268
2012	380631242739.398
2013	376961560301.686
2014	378374345854.638
2015	385854926295.729
2016	390175087223.106
2017	398489923556.301
2018	407750165057.914