Year % of GDP 1994 0.9379608848462327 1995 1.4782936300933172 1996 1.6045492328031916 1997 1.6475883210673157 1998 1.6834046282097108 1999 0.30154329681407793 2000 0.1703445502436261 2001 1.171521134978274 2002 1.250040014084958 2003 1.3258541560428354 2004 1.4435891033136103 2005 1.706056353669248 2006 1.8452803406671399 2007 2.450341387173813 2008 2.5539624026988785 2009 2.3904812230097847 2010 2.7711159200428344 2011 3.1666260094835295 2012 2.50443500157186 2013 1.9443895747936049 2014 2.0251483047857404 2015 2.2568837640417887 2016 2.0770502993462676