Year % of GDP 2012 2.0226466993174275 2013 2.0722756494280774 2014 2.3395030216009904 2015 2.851015766909463 2016 3.0951002645433654 2017 2.914148957483018 2018 2.6484196559468374 2019 2.637764239020818 2020 5.5176416695534884 2021 3.5227081516249648 2022 3.2890501524581968