Year	constant 2010 US$
1986	204090615.610811
1987	206539213.278607
1988	211803698.264369
1989	219271921.151147
1990	227474723.338265
1991	244370047.246058
1992	254164437.917243
1993	274855088.21012
1994	273385929.609443
1995	292752623.143343
1996	283643472.529491
1997	266438401.016721
1998	274313580.835887
1999	278109396.940505
2000	290800111.363042
2001	295880951.523719
2002	297655939.973105
2003	303450791.213711
2004	293950477.122429
2005	299996309.623985
2006	299604166.707487
2007	293724716.417458
2008	287210712.04182
2009	290591735.701513
2010	296525300
2011	306450200.926878
2012	300353437.593833
2013	288764224.832153
2014	282538297.972131
2015	296471675.711075
2016	298546984.664416
2017	308100433.325089
2018	312413839.391641