Year	constant 2011 international $
1990	4180830723.01774
1991	4480253226.13486
1992	4874621686.15859
1993	5189066360.64495
1994	5506136268.96284
1995	5661170911.34643
1996	5888253637.77281
1997	5972115274.05744
1998	5912318281.2284
1999	6058018758.8777
2000	5999680229.28839
2001	6111690206.09986
2002	6474555860.14535
2003	6690262573.30182
2004	7220122268.29671
2005	7651973233.58156
2006	8203855723.49641
2007	9041159469.42695
2008	9543016670.21897
2009	9675445132.3867
2010	10188824192.7726
2011	11346260619.8245
2012	12205295468.027
2013	13024222577.1369
2014	13791520087.5603
2015	14083504428.1548
2016	13968285832.2159
2017	14272375417.7002
2018	14917599554.9579