Year % of GDP 2000 6.57 2001 7 2002 7.71 2003 7.9 2004 8.05 2005 8.66 2006 8.81 2007 8.17 2008 7.86 2009 7.92 2010 7.95 2011 8.45 2012 8.38 2013 8.5 2014 9.09 2015 8.9 2016 8.97 2017 8.73 2018 8.55 2019 9.15 2020 10.74 2021 10.58