Year % of GDP 2000 65.6510934326279 2001 28.509270848412672 2004 40.30490016562426 2005 43.137542253853915 2006 45.36620008460468 2007 57.93407157172825 2008 48.76641016037757 2009 44.836655607920356 2010 35.67748030873497 2011 22.29417729273109 2012 19.48919630055279 2013 16.238481887459127 2014 20.374988010472418 2015 22.111354849317514 2016 21.2265370869564 2017 29.523084176787876 2018 29.774046111383083 2019 26.09177040183289 2020 37.903095805125524 2021 45.767846397960426 2022 33.05265744855491