Year % of GDP 2000 5.66 2001 5.86 2002 5.94 2003 5.99 2004 6.05 2005 6.22 2006 6.17 2007 6.32 2008 6.57 2009 7.28 2010 7.43 2011 8.78 2012 8.96 2013 8.99 2014 9.03 2015 9.04 2016 8.96 2017 8.97 2018 9 2019 9.21 2020 9.34 2021 9.17