Year	constant 2010 US$
1988	5040121119.0832
1989	4717616171.18539
1990	5047076594.59686
1991	4982245598.19467
1992	4757280533.27586
1993	4898970611.73783
1994	4308133695.72647
1995	5419584294.88723
1996	6130513084.2043
1997	6361090067.7908
1998	6490282078.50077
1999	5603825597.29028
2000	8314009390.87803
2001	8187082212.98373
2002	8144303602.22343
2003	8250026768.22126
2004	7951474234.77562
2005	8345399425.12577
2006	8461967670.25606
2007	8664682484.62364
2008	8833496685.41026
2009	9019000969.99033
2010	9894541250.71943
2011	9826783906.70319
2012	9526551953.77656
2013	9850705758.00748
2014	10077760778.1382
2015	10221256578.8517
2016	10342247656.3543
2017	10580789107.6793
2018	10732839278.7546