Year	constant 2011 international $
1990	5698062617.16542
1991	5799948940.6966
1992	5908647285.68675
1993	6255699793.69098
1994	6064229581.99972
1995	6659724826.39137
1996	7047242666.23472
1997	6762203080.19039
1998	6950043890.03697
1999	7486088641.2647
2000	7453868047.39767
2001	7603601119.49972
2002	7654165382.97104
2003	8111750781.24257
2004	8577967455.15086
2005	9347361582.5058
2006	11111124524.8606
2007	11424217877.5457
2008	11547595679.6955
2009	11427260297.8526
2010	11972763099.8592
2011	12535969841.7305
2012	13262439093.6617
2013	14070155948.6876
2014	14855206470.4358
2015	15063179360.5699
2016	15364442947.8166
2017	15829905698.6697
2018	16399782304.7399