Year	constant 2010 US$
1970	216832831277.424
1971	236146681526.04
1972	253865371934.611
1973	289581574629.514
1974	300771130217.777
1975	356834275509.602
1976	382257741846.174
1977	394976512607.157
1978	407950936453.687
1979	427645982346.994
1980	447633659089.634
1981	464201707433.146
1982	475760927210.978
1983	479058071336.193
1984	499992356347.181
1985	510180672936.45
1986	521456648679.724
1987	525322028606.719
1988	528257641764.895
1989	533307094516.704
1990	549160133744.343
1991	570195327098.405
1992	588887690470.412
1993	606163392947.087
1994	617455381309.082
1995	627495670310.92
1996	642312682010.023
1997	679248536775.195
1998	693909447449.673
1999	720998885388.915
2000	736478703521.628
2001	750160659175.483
2002	766550313861.642
2003	785985817850.549
2004	818327656861.593
2005	867894999637.811
2006	920648679459.447
2007	960512602325.649
2008	1012180871474.92
2009	1080684438079.49
2010	1110048708296.95
2011	1169588560538.68
2012	1218492039090.1
2013	1270465716553.48
2014	1333816220090.68
2015	1384260743669.51
2016	1402790307013.49
2017	1475810849040.01
2018	1533653291765.55