Year % of GDP 2000 2.01 2001 2.03 2002 1.93 2003 1.9 2004 1.8 2005 1.82 2006 1.93 2007 1.8 2008 1.92 2009 2 2010 2.12 2011 2.09 2012 2.34 2013 2.4 2014 2.31 2015 2.36 2016 2.06 2017 2.01 2018 1.94 2019 2.26 2020 3.12 2021 3.03