Year % of GDP 2011 31.067511924121614 2012 33.18472456285864 2013 30.42404574839088 2014 23.95926114157344 2015 8.501810283535256 2016 -5.45006694867961 2017 3.9885688772184693 2018 9.082936698839688 2019 2.4152970977800043 2020 -2.0675064734649293 2021 14.643596782564364 2022 26.770899206597093