Year	constant 2010 US$
1970	79323573859.0928
1971	83964178502.6885
1972	86624748220.0468
1973	90026460140.6314
1974	92846148402.0405
1975	98296006458.0173
1976	104196283496.484
1977	110133887003.998
1978	110313592836.068
1979	115223563794.292
1980	118348982837.447
1981	119746609287.191
1982	121550209254.102
1983	124318910321.246
1984	127687721064.387
1985	137081679393.354
1986	142937318599.2
1987	143936090461.878
1988	141354599007.307
1989	141989533914.242
1990	144532159663.587
1991	149133321384.255
1992	154311696655.177
1993	158454358395.147
1994	162884664900.041
1995	167481401296.015
1996	176301224547.084
1997	181705675135.806
1998	187244616473.183
1999	193902197711.292
2000	200737945528.747
2001	206142780934.786
2002	212430368272.439
2003	217900813599.89
2004	226852049127.258
2005	234992684406.452
2006	244400111060.251
2007	254847484136.219
2008	259719359007.307
2009	263262873073.211
2010	271748297256.308
2011	276868566369.778
2012	284664605145.457
2013	290874653473.045
2014	297523191694.471
2015	305049479338.205
2016	309905384629.808
2017	317018387359.713
2018	322532316134.013