Year % of GDP per capita 1999 14.4361 2000 13.97102 2001 13.79207 2002 13.74888 2003 12.53918 2004 12.8215 2005 13.81449 2006 14.97756 2007 14.05692 2008 13.31467 2009 14.84732 2010 17.20415 2011 17.6054 2012 19.01025 2014 17.8295 2017 17.6493 2018 17.94111