Year % of GDP 2010 23.579257775388875 2011 28.115988104409524 2012 27.501257723021393 2013 25.647801886789743 2014 24.644951909305107 2015 23.56886514736373 2016 23.163961818585502 2017 23.238331400117417 2018 24.490342299076676 2019 23.7070742732441 2020 22.16813381027582 2021 24.047680101889334 2022 24.856007532133603