Year % of GDP 1986 0 1987 0 1988 0 1989 0 1990 0 1991 0 1992 0 1993 0 1994 0 1995 0 1996 0 1997 0 1998 0 1999 0 2000 0.000959488886147264 2001 0.000698232167894007 2002 0.000720702919318894 2003 0.000760651086559827 2004 0.000906166596082593 2005 0.00131405293432615 2006 0.00152577280324417 2007 0.00153973985727839 2008 0.00195640008459108 2009 0.00109429704736333 2010 0.00156960653691674 2011 0.00192689765446378 2012 0.00149030629815309 2013 0 2014 0 2015 0 2016 0 2017 0 2018 0 2019 0 2020 0 2021 0