Year	constant 2010 US$
1970	280255893430.367
1971	298135375657.78
1972	312794619019.159
1973	332115975001.414
1974	350620265856.123
1975	366336889705.772
1976	374123122279.749
1977	382005473501.772
1978	397866294328.982
1979	413679036694.235
1980	428049905437.088
1981	447659655109.581
1982	442997523681.879
1983	440930822095.586
1984	446265821673.272
1985	449918612931.238
1986	456359071194.266
1987	459194797589.571
1988	465923630603.567
1989	456022637185.495
1990	465202684256.511
1991	480630933355.191
1992	506635702936.466
1993	509183908834.577
1994	525126535784.505
1995	536626142499.466
1996	549432505848.453
1997	554071554147.192
1998	565505813759.481
1999	572039676395.075
2000	579814975050.51
2001	582820544446.107
2002	589811783823.429
2003	593013368038.554
2004	588308985881.387
2005	591183887560.127
2006	596868357059.18
2007	605623729812.256
2008	626140057958.251
2009	645022920445.347
2010	653386263559.367
2011	659528096555.904
2012	666453988830.554
2013	675470723505.832
2014	685990242878.908
2015	706114541385.845
2016	734014125303.974
2017	745579065877.364
2018	753093002610.599