Year	% of GDP
2002	34.17881145295931
2003	31.09618055095093
2004	29.0656121898961
2005	28.535554984814
2006	29.61376976779318
2007	29.210615061073923
2008	27.86241523117997
2009	27.996766803359918
2010	27.715427485994066
2011	28.39342205543008
2012	26.244690029478335
2013	28.10065362388795
2014	27.59225867285513
2015	27.140946728484565
2016	28.77802031744886
2017	29.662275471520672
2018	31.965678203639275
2019	35.03333014237797
2020	29.19595986656886
2021	11.685690045243655
2022	12.266382620951171
2023	28.882808479129146