Year % of GDP 2010 13.062815255431223 2011 13.548969396874629 2012 13.237839915734224 2013 13.22649701540768 2014 13.147290280547304 2015 13.678225142775577 2016 13.730596093108241 2017 13.393806024459735 2018 13.514821851280923 2019 13.47189236933432 2020 13.122984859466712 2021 13.93292680064222 2022 14.267818037415642