Year	constant 2010 US$
1960	80552498429.876
1961	80620329629.242
1962	79016711600.7491
1963	80865111783.4763
1964	88324331826.8164
1965	78571385030.9973
1966	77453644832.7465
1967	88971677403.3758
1968	88830853935.1265
1969	94540471412.207
1970	101245438010.421
1971	99344689836.8785
1972	94359096683.4671
1973	101154750646.051
1974	99613802747.4071
1975	112453806410.031
1976	105956019888.142
1977	116590034980.075
1978	119274528424.555
1979	104037576619.112
1980	117446173920.75
1981	122850663149.289
1982	122505655568.723
1983	134904421220.9
1984	137042780904.256
1985	137473469734.952
1986	136910537254.465
1987	134736676402.215
1988	155809017615.547
1989	157661827937.859
1990	163992101377.037
1991	160790174892.574
1992	171484340331.075
1993	177182262220.787
1994	185538142510.79
1995	184247952815.774
1996	202525901078.144
1997	197353940760.845
1998	209827606711.154
1999	215428172735.653
2000	215411761104.483
2001	228351738537.834
2002	213270854223.93
2003	232568840555.95
2004	232995329496.636
2005	244200858315.104
2006	251377417055.725
2007	265219410116.255
2008	264571864586.814
2009	262243004681.771
2010	285298778373.301
2011	303551583578.594
2012	308066793466.33
2013	325227579200.416
2014	324523629987.653
2015	326631733256.569
2016	347109197668.562
2017	364403779318.552
2018	374416350490.209