Year	constant 2011 international $
1990	6696660550.20158
1991	7248872744.00196
1992	7700690405.53068
1993	6003365332.38998
1994	7212338119.32572
1995	7093164265.78867
1996	6615481355.80304
1997	7227226731.3663
1998	7935811417.18634
1999	8303768535.90633
2000	7660993906.75158
2001	8598588434.23727
2002	14231966954.4074
2003	9126282295.88128
2005	10986944573.1296
2007	12028541541.8884
2008	12671044141.8439
2009	14087700546.5327
2010	15001813571.6018
2011	15515238331.2275
2012	16871362842.9768
2013	18354753238.0664
2014	19617234270.5068
2015	18930631239.7053
2016	18078752833.9186
2017	18114919526.7529
2018	18296068962.9721