Year % of GDP 2010 50.79499273949638 2011 52.53924198095551 2012 50.512543687956516 2013 51.61319109474592 2014 51.161243207813925 2015 49.97083946135428 2016 49.33005657609207 2017 48.538149250187196 2018 51.4791563825902 2019 51.74342439817524 2020 47.13613634208766 2021 48.68356424327537 2022 50.46345289589396