Year % of GDP 2000 1.2926054 2001 1.18493998 2002 1.40065992 2003 1.48519886 2004 1.3727535 2005 1.22052515 2006 0.95991379 2007 0.97199386 2008 1.02431214 2009 1.21738589 2010 1.36283255 2011 1.27987134 2012 1.40670311 2013 1.41955829 2014 1.23977196 2015 1.34465146 2016 1.33381462 2017 1.49843824 2018 1.63126719 2019 1.66501212 2020 1.91031921 2021 2.00221539