Year	% of GDP
2005	28.894466851679546
2006	29.561421756161156
2007	29.295597250388184
2008	30.551230446624405
2009	31.339388647973337
2010	30.08602868537558
2011	28.98170130077167
2012	29.37264170146753
2013	28.24764960698638
2014	28.3672213651207
2015	28.79460701506743
2016	27.78313767449289
2017	27.99670470890106
2018	27.845048894803583
2019	29.687235026989256
2020	34.92417021246713
2021	33.32972328276978