Year	constant 2010 US$
1966	11793668408.9718
1967	13213045654.6117
1968	14424178796.6097
1969	15629817109.2653
1970	17067161437.2808
1971	17708065596.0627
1972	17441566843.872
1973	18049800746.7588
1974	20263225897.2629
1975	24097778815.5059
1976	27724734756.7439
1977	30946490060.3031
1978	28974686868.4899
1979	30327068775.0431
1980	30282575968.1047
1981	30086028142.6107
1982	32126057408.7565
1983	31868574424.5624
1984	33848482960.0338
1985	35869331570.9752
1986	38944825573.7743
1987	39144441801.3258
1988	42282790932.621
1989	44655627658.3621
1990	45824556187.2875
1991	49405394456.7341
1992	48993015034.8649
1993	48389056960.5632
1994	52197103067.7684
1995	51907188833.8961
1996	55787159713.8177
1997	55285565198.246
1998	59179583859.4336
1999	60155193695.4595
2000	61305346258.5926
2001	63671870990.8213
2002	65880947998.2498
2003	71464509291.3987
2004	75682109319.6867
2005	77339058552.6399
2006	82351505124.5711
2007	88264322362.772
2008	98595307866.164
2009	101532643963.56
2010	103267000902.913
2011	110109953165.518
2012	116028546315.316
2013	118295192523.751
2014	119841036598.647
2015	122101180547.536
2016	128344987811.175
2017	132547111303.401
2018	136540193582.048