Year % of GDP per capita 2001 9.14667 2002 8.44093 2003 12.88778 2004 12.41251 2005 10.94748 2006 9.81908 2008 9.05857 2009 8.50587 2010 10.19572 2011 9.74477 2012 9.97864 2013 11.45965 2014 13.33654 2015 12.51795 2016 14.08182 2017 15.73389 2018 15.56837