Year % of GDP 2005 43.81029444920142 2006 46.11851852413642 2007 43.158798087387 2008 49.760693759132494 2009 26.472342764904727 2010 26.848641395945368 2011 35.813278679468375 2012 27.13456117578645 2013 28.413348399029896 2014 27.547378525357935 2015 14.438888475540768 2016 10.224929165720845 2017 15.297952175602575 2018 15.583387825926303 2019 7.382706671046116 2020 3.7630150561225157 2021 13.288453498710753 2022 22.678906923813827 2023 8.487380034386817