Year % of GDP 2000 6.53804731 2001 7.00522089 2002 7.22556973 2003 6.93705606 2004 7.07894278 2005 6.84559298 2006 6.11889315 2007 4.90875959 2008 6.60109425 2009 7.58330584 2010 6.91169977 2011 7.50353098 2012 7.26115417 2013 7.10386753 2014 6.70157766 2015 6.19431591 2016 6.11648464 2017 5.65125847 2018 6.06630135 2019 6.84972715 2020 7.11156559 2021 7.53223085