Year	% of GDP
2005	19.886092731863553
2006	21.68995520664215
2007	21.394270036889445
2008	20.302113498036405
2009	18.946285984021852
2010	19.685676403116954
2011	20.30566528213549
2012	20.477539941352667
2013	19.751544642443037
2014	19.777901772831047
2015	19.70001003984315
2016	19.713745572241496
2017	19.98764986489995
2018	20.141022535477678
2019	19.826597189919237
2020	18.750644729343875
2021	19.098149197788274
2022	19.09105987274129