Year % of GDP per capita 1997 44.55657 1998 45.13241 2000 35.33598 2001 31.67986 2004 23.98612 2005 23.68337 2006 27.06107 2008 20.3411 2009 20.63746 2010 16.03965 2011 19.3805 2012 18.2528 2013 18.17357