Year	constant 2010 US$
1990	575.032107347456
1991	585.438649023725
1992	613.202608317922
1993	580.937856629932
1994	545.411784813022
1995	556.23743960855
1996	600.859657538477
1997	588.505074435204
1998	585.887458819355
1999	563.445773458657
2000	552.05374317157
2001	677.10034027049
2002	716.34022226927
2003	749.87590739065
2004	749.269905940763
2005	793.501717927802
2006	745.179948797721
2007	854.749425155441
2008	776.684563256484
2009	849.448762361383
2010	856.48284091015
2011	833.418805190287
2012	828.805143245557
2013	904.795995384932
2014	904.165504151065
2015	899.484154777366
2016	878.453292932354
2017	868.575595786688