Year % of GDP 2011 25.15859663312627 2012 26.176667212159447 2013 26.60625702052205 2014 25.595674942286024 2015 25.739141956200434 2016 23.84309268778957 2017 24.76506782753088 2018 25.527606522328 2019 22.23214598889225 2020 21.051532867004834 2021 21.448657746602116 2022 20.669740498649652