Year % of GDP 2000 1.58314001560211 2003 1.62349998950958 2004 1.58818995952606 2005 1.55873000621796 2006 1.64885997772217 2007 1.57165002822876 2008 1.54663002490997 2009 1.58838999271393 2010 1.4237300157547 2011 1.42453002929688 2012 1.20664000511169 2013 1.23380994796753 2014 1.21700000762939 2015 1.2522599697113 2016 1.26689994335175 2017 1.23898005485535 2018 1.17180001735687 2019 1.18287003040314 2020 1.09150004386902 2021 1.04215002059937