Year	constant 2010 US$
1960	30974711541.1377
1961	33813490587.7759
1962	37236048196.964
1963	40303754163.0451
1964	44104054686.5257
1965	46782563578.1671
1966	50376777306.0612
1967	52528636359.976
1968	58938743546.3597
1969	67970157020.0864
1970	65574093925.823
1971	68528121886.8364
1972	76104907460.8919
1973	86853404724.0181
1974	90071745027.5934
1975	82608948560.7735
1976	93238255966.7093
1977	95233493066.2088
1978	97410150887.2681
1979	104225132944.216
1980	104068424658.586
1981	107597901934.048
1982	110587848948.527
1983	113492542893.199
1984	120837703979.813
1985	121239611308.907
1986	124558391592.645
1987	130744110850.408
1988	143338425367.629
1989	155022967826.657
1990	162113587512.135
1991	167066791013.654
1992	173192833162.284
1993	172426773474.744
1994	186785826497.253
1995	196110076770.626
1996	205976627868.5
1997	225380342920.683
1998	235021572996.874
1999	246771705590.462
2000	277391232333.965
2001	278327426660.061
2002	288486854889.843
2003	292984612130.72
2004	311160588095.903
2005	326856435036.894
2006	344099281261.73
2007	363702067507.759
2008	369924175989.67
2009	335044738241.5
2010	369665010360.546
2011	394498812971.35
2012	395831950551.235
2013	399350474571.558
2014	420054548492.988
2015	434848712033.268
2016	468079882619.701
2017	491260621268.274
2018	508810468817.189