Year	constant 2010 US$
1970	40148918512.8283
1971	44842766079.7065
1972	50085581235.6566
1973	52861530439.6256
1974	56172136004.3044
1975	57345868837.2494
1976	57563570888.964
1977	58432314055.8316
1978	61274892656.8999
1979	65267525848.3942
1980	65828615086.5147
1981	69767241247.1814
1982	70698109402.509
1983	72925683814.4472
1984	71883659862.6074
1985	74591322321.0069
1986	78647650255.8416
1987	84965587818.4628
1988	88173413396.6177
1989	89106916381.5939
1990	96338839984.511
1991	104709211827.156
1992	112574088393.371
1993	117203527502.045
1994	125759643064.393
1995	134630813294.403
1996	141111521099.906
1997	146053313090.253
1998	151374948199.38
1999	154603327516.363
2000	163112748826.539
2001	166877473849.263
2002	167824824234.153
2003	169481421306.237
2004	177973219455.679
2005	188929905880.01
2006	200456672030.723
2007	212579841582.176
2008	214790966511.339
2009	216202412481.872
2010	229391898528.34
2011	242076209481.559
2012	244087401413.7
2013	255579129478.592
2014	269434907206.565
2015	275576836489.314
2016	286451675893.794
2017	295950484081.973