Year % of GDP 2000 1.36 2001 1.16 2002 0.98 2003 1.11 2004 1.09 2005 1.24 2006 1.21 2007 1.18 2008 1.16 2009 1.28 2010 1.32 2011 1.06 2012 1.1 2013 1.12 2014 1.26 2015 1.47 2016 1.47 2017 1.48 2018 1.54 2019 1.69 2020 2.33 2021 2.31 2022 2.13