Year % of GDP per capita 1997 44.90075 2001 33.82001 2002 32.19494 2003 20.07651 2004 19.5678 2005 17.39589 2006 16.30627 2007 16.13788 2008 16.01176 2009 16.8635 2010 19.20368 2011 23.57808 2012 24.55553 2013 24.57223 2014 26.89075 2015 24.80784 2016 17.99265