Year % of GDP 2012 2.3950226078511387 2013 2.2964193015035677 2014 2.459325984548332 2015 2.8208447879872462 2016 3.0829910266369995 2017 3.1328495430373624 2018 2.611901877302091 2019 2.6948396773829133 2020 5.601129817129775 2021 3.6776965833901323 2022 3.2452325581665473