Year % of GDP 2010 25.224305933283524 2011 30.830222160380107 2012 30.02510363433148 2013 27.765111265979453 2014 26.535111213261466 2015 25.120189222256183 2016 24.484273183920376 2017 24.591418664549323 2018 25.937472466162898 2019 24.93890583992398 2020 23.454407405125657 2021 25.867747108416804 2022 26.700347681034447