Year % of GDP 2000 6.74 2001 7.05 2002 7.29 2003 7.47 2004 7.53 2005 7.61 2006 7.69 2007 7.81 2008 7.99 2009 9.02 2010 8.94 2011 8.74 2012 8.88 2013 8.72 2014 8.71 2015 8.72 2016 8.63 2017 8.48 2018 8.46 2019 8.5 2020 8.95 2021 9.22 2022 8.05