Year	% of GDP
2011	16.68685319973367
2012	13.767298199026257
2013	12.484073558976993
2014	11.641619909570307
2015	9.363313597359255
2016	7.812080502672986
2017	7.629368622414183
2018	8.372675866463709
2019	7.9399766087609
2020	7.127200942766969
2021	7.631701644588927
2022	8.243962374624717
2023	6.593002677731628