Year	current US$
1987	644900794893.1312
1988	707229050143.5919
1989	771829599870.878
1990	852611539893.0533
1991	886925309835.323
1992	993326950989.2386
1993	1033884406393.9186
1994	1147348669059.0945
1995	1476907499310.5051
1996	1633878217680.018
1997	1733518202449.4976
1998	1695781889885.458
1999	1532774468678.541
2000	1668510983634.553
2001	1731026543786.959
2002	1845122103069.3645
2003	2081549417015.5625
2004	2446827767215.774
2005	2946685636679.9746
2006	3563219904002.1685
2007	4568815083094.561
2008	5615615989568.359
2009	5625911423594.367
2010	6692425618732.037
2011	8085540959328.641
2012	8775641936614.397
2013	9664560126927.38
2014	10207384388305.979
2015	9859175822059.229
2016	10122861938524.69
2017	11263592567145.957
2018	12305048004956.547
2019	12746720741291.326
2020	12499072189891.322
2021	14490640664735.283
2022	15049739129753.332
2023	15621772532848.254