Year	constant 2010 US$
1990	4620415851.43116
1991	4759387140.65305
1992	4605372914.1426
1993	4391673528.94487
1994	4517886928.00934
1995	4615559329.80287
1996	4848204976.32613
1997	5151610082.43791
1998	5743258222.19441
1999	6161363148.78306
2000	6408542747.98981
2001	6231953454.30068
2002	6191235470.40526
2003	6561600732.12421
2004	7030469282.37667
2005	7834829517.47637
2006	8135486653.83306
2007	8674193107.46598
2008	8094838872.59509
2009	7077705164.62573
2010	7051838747.32688
2011	7229174675.89568
2012	7368730799.38413
2013	7431922728.75628
2014	7669906184.77015
2015	8018463818.85566
2016	8593734856.70027
2017	9286472247.16542
2018	9728398998.4742