Year % of GDP 2010 23.378799792576203 2011 23.73726085540558 2012 24.238566794750312 2013 23.850953967331588 2014 23.13923535330432 2015 24.11022605462929 2016 24.30246892317515 2017 23.25454257905113 2018 23.359326369810073 2019 23.80784853195393 2020 21.946691104934764 2021 22.9324836137034 2022 24.604567711446535