Year % of GDP 2000 0.64587975 2001 0.5318647 2002 0.56401348 2003 0.4171488 2004 0.51704127 2005 0.54538667 2006 0.47191602 2007 0.73447984 2008 0.91902161 2009 1.19803178 2010 1.2732017 2011 1.51829386 2012 1.55076885 2013 0.34247527 2014 0.82358241 2015 1.20420825 2016 1.39315951 2017 1.38745701 2018 1.68725502 2019 1.35628378 2020 0.92961764 2021 1.08574104