Year % of GDP 2000 6 2001 6.05 2002 6.33 2003 6.44 2004 6.73 2005 6.84 2006 5.93 2007 5.8 2008 5.99 2009 6.46 2010 6.67 2011 6.28 2012 5.92 2013 5.86 2014 5.77 2015 5.75 2016 5.78 2017 5.69 2018 5.76 2019 5.78 2020 6.77 2021 7.03