Year % of GDP 2000 5.31 2001 5.73 2002 5.99 2003 6.55 2004 6.17 2005 6.35 2006 6.42 2007 6.02 2008 5.5 2009 6.61 2010 6.81 2011 6.82 2012 7.12 2013 6.94 2014 7.2 2015 7.78 2016 7.55 2017 7.44 2018 7.52 2019 7.09 2020 7.56 2021 8.01