Year % of GDP per capita 1997 7.93639 1999 18.14052 2000 15.85101 2001 16.3786 2002 18.26466 2003 17.10819 2004 16.50568 2005 14.92814 2006 14.46808 2007 14.3347 2008 14.65799 2009 17.8898 2010 18.94678 2011 17.98288 2012 18.4171 2013 20.10297 2014 20.95832 2015 21.11401 2016 20.08462