Year % of GDP 2010 74.59508034183602 2011 76.2704368073774 2012 73.78230306162189 2013 76.27010669749987 2014 76.51674745883528 2015 73.29549851747852 2016 72.74990938288914 2017 72.3924284503794 2018 77.55527038073883 2019 77.56010165064427 2020 69.19588038414165 2021 72.20267265683465 2022 75.51119190391391