Year	constant 2010 US$
1970	119423906289.811
1971	128516750139.253
1972	128738858011.857
1973	138008424072.797
1974	145412142694.058
1975	152786976506.273
1976	162684845873.432
1977	168970708027.023
1978	159079355836.206
1979	165190862523.094
1980	171576972507.928
1981	174167015712.119
1982	177986564224.459
1983	177823509422.308
1984	187183497807.804
1985	198258390293.671
1986	213857020940.3
1987	211672613291.052
1988	205231399977.94
1989	201428208393.768
1990	200392064083.827
1991	201906664177.582
1992	206581323706.053
1993	213683315422.584
1994	222411923882.531
1995	232489174371.984
1996	242258892607.197
1997	259212980614.918
1998	274569385148.214
1999	274798077137.736
2000	282305807814.697
2001	283764073806.701
2002	289762675963.05
2003	293690491824.073
2004	315009251498.69
2005	332558515168.895
2006	353953507982.903
2007	376357182081.897
2008	382326809871.777
2009	369097458265.545
2010	380809485730.043
2011	391187939247.208
2012	404327707238.384
2013	418499938171.791
2014	425381227800.91
2015	428501305429.477
2016	436872799200.331
2017	448381156007.169
2018	456936051438.025