Year	constant 2010 US$
1970	56419185642.354
1971	58554910352.1139
1972	61552399378.2058
1973	66353658008.6671
1974	70330524699.7241
1975	69112623050.6777
1976	69754549535.594
1977	67008774786.3791
1978	67221321774.4381
1979	68695030268.3559
1980	69577174495.987
1981	72816657790.2601
1982	73493686755.2983
1983	76059113774.7197
1984	79705111659.3906
1985	80992284204.381
1986	82894059292.5485
1987	83698913719.4408
1988	83402388449.7782
1989	83536902392.4971
1990	83664727854.3511
1991	82752113624.3634
1992	83658039301.4315
1993	89005156119.0116
1994	93560795615.5385
1995	97978948407.1053
1996	101526847731.787
1997	103601781735.097
1998	104422242785.469
1999	110119393224.013
2000	113316515755.184
2001	117247891393.373
2002	122735467606.099
2003	128336005757.693
2004	133512936422.371
2005	137947438937.909
2006	141870639750.14
2007	146145360528.428
2008	144670908861.964
2009	144361749659.009
2010	146583831538.331
2011	150005391746.251
2012	153344460017.662
2013	157293671796.97
2014	163137970111.525
2015	168985984360.869
2016	175146873603.846
2017	180626274918.56
2018	185649634531.9