Year % of GDP per capita 1998 11.05942 2000 9.78412 2002 12.30136 2003 12.43409 2005 17.51491 2006 16.55859 2007 16.41262 2009 20.87008 2010 20.41816 2012 10.50348 2013 11.10141 2014 10.92943 2015 10.84972 2016 10.8018 2017 12.01038 2018 11.12942