Year	constant 2010 US$
1980	2967761198.67729
1981	3646082671.60004
1982	3959284555.53506
1983	4137933752.08486
1984	4549907914.94619
1985	4819434295.25004
1986	5089987214.44501
1987	5613753008.22387
1988	5699753664.79939
1989	5980501589.30326
1990	6310350746.60541
1991	6465535055.91283
1992	6724640892.04177
1993	7475379976.30418
1994	8165921452.33919
1995	8950516467.7745
1996	10020253179.2919
1997	10667505962.4125
1998	11639653231.3179
1999	12639103880.6975
2000	13538716159.9636
2001	14612975623.1092
2002	15697274894.3215
2003	16899270800.5188
2004	18286460936.3521
2005	20071885131.5312
2006	22056583774.9765
2007	23632938587.19
2008	25952536542.5773
2009	27869947482.8294
2010	30256903105.2292
2011	33149749613.8928
2012	36652925500.0517
2013	38619223659.0262
2014	42425167973.1224
2015	45445331141.9221
2016	49494224818.4705
2017	54517277223.7285
2018	60242538992.1522