Year % of GDP 2000 4.91670752 2001 4.8722868 2002 4.89577627 2003 5.37778044 2004 5.46425867 2005 5.53260517 2006 5.64472914 2007 5.72543097 2008 6.14285564 2009 6.83731079 2010 6.78856277 2011 6.73698568 2012 6.60088682 2013 6.43600941 2014 6.38339853 2015 6.50546694 2016 6.40203285 2017 6.30689526 2018 6.31798935 2019 6.45209455 2020 7.85987377 2021 7.69035435