Year % of GDP 2008 34.1558083614236 2009 34.78504450133659 2010 33.251299426779404 2011 34.22210126607981 2012 36.01544402263613 2013 42.79519195843709 2014 48.24903972158943 2015 51.20263293129269 2016 57.48328661711104 2017 57.837658934781324 2018 63.06921546952044 2019 68.43766795453064 2020 82.40749163377635 2021 76.48475644540741 2022 66.331166579521 2023 69.89170505546706