Year	constant 2011 international $
1991	157215706285.695
1992	152398333514.18
1993	151520353734.477
1994	155985892744.168
1995	158309342354.294
1996	158331750697.053
1997	163620290180.682
1998	170550996539.936
1999	175986280030.752
2000	183393859211.74
2001	190437119529.783
2002	199060504442.198
2003	206721586155.221
2004	217067832080.389
2005	226593235626.053
2006	235319733061.972
2007	236313715289.703
2008	238325504302.806
2009	222593652906.368
2010	224052294354.952
2011	227766313841.215
2012	224050526597.049
2013	228741342890.596
2014	238404872621.714
2015	246835883273.134
2016	252465710545.596
2017	262910378409.121
2018	275899251869.574