Year % of GDP 2000 7.33 2001 7.9 2002 8.21 2003 8.32 2004 8.13 2005 8.15 2006 8.05 2007 8 2008 8.21 2009 8.77 2010 8.32 2011 10.42 2012 10.74 2013 10.9 2014 10.95 2015 10.8 2016 10.85 2017 10.79 2018 10.94 2019 10.83 2020 11.33 2021 11.25 2022 10.67