Year % of GDP 2000 6.18360472 2001 6.49679995 2002 7.59296274 2003 7.66696072 2004 7.84200048 2005 8.28380585 2006 8.49390411 2007 9.3764925 2008 9.48246479 2009 9.34623528 2010 9.5273037 2011 9.11380386 2012 9.32820415 2013 9.31232452 2014 9.24598789 2015 8.81319809 2016 8.45890999 2017 8.22039318 2018 8.53168106 2019 8.66552734 2020 8.70042133 2021 10.0125246