Year % of GDP per capita 1998 9.28548 1999 9.34236 2000 9.41027 2002 11.46851 2003 10.57389 2005 9.38201 2006 9.93257 2007 9.51253 2008 10.45021 2010 11.36629 2012 11.52723 2013 12.46292 2014 13.16348 2015 13.55766 2016 16.15496 2017 16.03698 2018 16.10453