Year % of GDP 2000 2.2 2001 2.13 2002 2.16 2003 2.01 2004 2.13 2005 2.04 2006 1.96 2007 1.85 2008 1.67 2009 1.65 2010 1.51 2011 1.52 2012 1.4 2013 1.68 2014 1.55 2015 1.62 2016 1.56 2017 1.37 2018 1.66 2019 1.85 2020 1.97 2021 1.89