Year % of GDP 2006 152.04857843192715 2010 20.660837610829876 2011 19.542801662082688 2012 28.140163534170338 2014 38.67588484849006 2015 29.03666849232764 2016 21.399694628832194 2017 16.441242144550284 2018 14.023716879568566 2019 12.43429537304055 2020 27.96525179366119 2021 33.42878578546665 2022 23.899202532236185