Year	constant 2011 international $
1990	5846606963.58503
1991	6426387319.04831
1992	6630541642.83266
1993	6322967423.6142
1994	6755004553.35502
1995	8718341217.05417
1996	9041934573.71463
1997	9266891518.99667
1998	9934995422.66697
1999	10349962463.4994
2000	11180285141.2693
2001	11800082529.1103
2002	12163929082.3175
2003	12694242167.0496
2004	13607362614.9469
2005	14139404282.3535
2006	14693086732.8571
2007	16125384977.0941
2008	17449894701.6833
2009	16311147315.2193
2010	16807960735.7147
2011	16729290124.2213
2012	16527474746.9939
2013	15582703816.3259
2014	15743462005.0648
2015	16124741783.5408
2016	16846136953.0788
2017	17533724261.4691
2018	18186163722.1423