Year	% of GDP
2010	29.497046030424
2011	29.9278323999166
2012	33.702487805818
2013	35.7350883426668
2014	31.4038447347649
2015	28.9371352908719
2016	25.8421130047347
2017	23.1336799067393
2018	23.6435926979314
2019	25.3242252682604
2020	28.6748195514405
2021	28.5309349890981
2022	27.538789542198