Year % of GDP 1993 0.016343155939227052 1994 0.8664412636900034 1995 3.230244855853829 1996 9.336066494154593 1997 8.549763942435492 1998 3.38960335359204 1999 1.5690821167007212 2000 1.8261055871177343 2001 3.0969387033323303 2002 2.4956233536144543 2003 1.5910071468164186 2004 1.3066389128853408 2005 0.10571779893697747 2006 0.14060158473536655 2007 0.03612356726650991 2008 0.020896134290630728 2009 0.1953930217620652 2010 0.33886615694408817 2011 0.45316035900616214 2012 0.08131152631298036 2013 0.054530630056753286 2014 0.010094931292597321