Year	constant 2010 US$
1980	13699389634.1482
1981	14103608203.1647
1982	14850488507.8737
1983	15407754566.3734
1984	16373497659.2537
1985	16974061137.7179
1986	17617695480.3522
1987	18186788920.7532
1988	19379454744.9211
1989	20268491750.5239
1990	20956589270.4521
1991	21973061424.0801
1992	23062299191.2001
1993	23132563918.9611
1994	23967130243.0926
1995	24357438676.7367
1996	25158002698.3493
1997	25590576828.8233
1998	26694585430.3667
1999	28102454834.8276
2000	29611257001.5499
2001	31412053199.7016
2002	32179366170.0574
2003	33634625629.5905
2004	35533554130.0905
2005	37822696934.5443
2006	39898157963.3196
2007	42692452585.0412
2008	44582930565.2004
2009	46220199691.2457
2010	47574015111.9137
2011	50519531575.4222
2012	53704271236.4852
2013	54748934425.3406
2014	56034058060.9716
2015	56972423033.6335
2016	58606295668.2517
2017	60200870604.7291
2018	61991846505.2198