Year	constant 2010 US$
1970	327651198292.802
1971	339102834589.263
1972	352243277231.824
1973	373072489760.827
1974	384590285216.741
1975	378244525395.373
1976	397866578084.949
1977	407193903599.505
1978	415891338221.503
1979	428926343597.391
1980	432063108331.687
1981	426233747329.423
1982	420912526974.49
1983	431302151288.358
1984	445829854478.802
1985	452487055528.665
1986	465491051353.7
1987	478905993965.45
1988	493983161181.382
1989	516973873750.928
1990	532565631767.939
1991	547356865434.686
1992	555046476784.724
1993	565233488864.723
1994	585040504063.089
1995	607024264507.052
1996	629161668135.334
1997	652001085884.455
1998	673699870676.307
1999	719453324391.845
2000	752808377025.681
2001	753117281119.646
2002	756303530468.474
2003	767689400022.515
2004	779022544041.315
2005	779473783480.061
2006	824265325085.806
2007	848323089362.991
2008	842514661306.145
2009	827081733201.635
2010	849039515211.05
2011	871632582178.15
2012	865310224334.35
2013	861168482482.781
2014	859702078954.803
2015	879374911518.1
2016	884668847229.096
2017	931070964932.044
2018	957494429500.385