Year % of GDP 2005 60.303742296263565 2006 59.64217892834116 2007 56.03802278538743 2008 52.72552787331484 2009 50.68462093714364 2010 54.14820921087067 2011 58.68894082212306 2012 58.805378621128945 2013 54.36032338144307 2014 53.25041397480312 2015 51.588318665274436 2016 48.047925932232374 2017 45.29186856300485 2018 42.02661616004896 2019 37.91828131850673 2020 23.332103632980196 2021 6.944368011228909 2022 14.199747229211782