Year % of GDP 2010 23.579257775388875 2011 28.115988104409528 2012 27.501257723021386 2013 25.647801886789743 2014 24.6449519093051 2015 23.568865147363734 2016 23.163961818585502 2017 23.238331400117417 2018 24.490342299076673 2019 23.707074273244096 2020 22.168133810275826 2021 24.047680101889334 2022 24.856007532133606