Year	constant 2011 international $
1994	7012711289.06107
1995	7552622185.00983
1996	7405633428.59178
1997	8352486690.88229
1998	9212216946.88832
1999	9801346157.21275
2000	9009239560.00609
2001	8574249129.58619
2002	7793360208.73938
2003	8958312154.63663
2004	9893251383.83604
2005	11073534457.604
2006	10471479567.1339
2007	11259171012.6066
2008	11197803964.1104
2009	11925097471.1279
2010	12299022689.1758
2011	13619133759.6962
2012	15205171425.0535
2013	14595713055.7293
2014	15107677405.648
2015	16043249118.108
2016	16566196171.5551
2017	16266262661.4309
2018	16511020364.9804