Year % of GDP per capita 1999 24.12021 2000 20.3449 2001 21.42331 2002 23.41249 2004 16.99844 2006 16.19928 2007 17.03938 2008 17.85923 2009 21.08531 2010 23.13217 2011 23.21991 2012 24.28474 2013 24.47234 2014 23.93812 2015 25.12593 2016 24.03879 2017 24.67935 2018 21.14089