Year % of GDP per capita 1998 22.22913 1999 25.03074 2000 28.28703 2001 28.87794 2002 37.25261 2004 40.48471 2005 40.26802 2006 33.60052 2007 45.57016 2008 46.18943 2009 43.20693 2010 49.06773