Year % of GDP 2010 12.681985193190505 2011 13.125010919366291 2012 12.799280967101545 2013 12.881411594011682 2014 12.849911848055523 2015 13.400478685930207 2016 13.42127038332167 2017 13.129923310612957 2018 13.209151909013817 2019 13.228622455142334 2020 12.950804933575844 2021 13.692561029508198 2022 13.875645130348607