Year % of GDP 2011 82.75155924230204 2012 80.76534215169767 2013 82.42251805981283 2014 79.46411691539898 2015 80.25822396542073 2016 77.60132185700247 2017 77.6399426883444 2018 75.91468832850556 2019 77.87535896112276 2020 79.17274391235847 2021 81.05634208196038 2022 84.74385721002791 2023 85.22795801294795