Year % of GDP 2000 8 2001 7.61 2002 7.43 2003 8.31 2004 9.06 2005 9.05 2006 9.17 2007 9.53 2008 9.69 2009 9.02 2010 9.02 2011 9.18 2012 9.49 2013 9.45 2014 9.49 2015 9.24 2016 9.14 2017 8.82 2018 8.76 2019 8.93 2020 9.7 2021 9.56