Year	% of GDP
2005	16.98762193189238
2006	17.26352377369829
2007	16.597040406212532
2008	16.590596351335716
2009	15.295648368598307
2010	17.565441831463552
2011	18.49475542157799
2012	16.5736994026043
2013	17.123237144719454
2014	20.013270456079432
2015	18.740304208034367
2016	19.289678975074374
2017	20.105697034709376
2018	19.49020831126032
2019	20.310782657990572
2020	19.960309046400248
2021	20.368369658780836
2022	18.75509983086235