Year % of GDP 2013 1.1948717723137188 2014 1.227403862652405 2015 1.0590075264409906 2016 0.9955877199622596 2017 1.2942409518358942 2018 1.416710011830061 2019 1.5193512219642857 2020 1.679009579795036 2021 1.8393289511688633 2022 1.8202365696784073 2023 1.7600457899061406