Year % of GDP per capita 2004 63.03684 2005 52.2215 2006 50.3713 2007 37.43397 2008 27.54043 2009 54.69056 2010 25.67837 2011 25.43375 2012 30.16774 2013 34.79222 2014 24.59004 2015 23.31769 2016 24.33261 2017 23.04764 2018 24.20304