Year	% of GDP
2002	16.250260043289764
2003	16.251584728804634
2004	16.70962143137203
2005	16.774763958276342
2006	16.596236430739562
2007	16.407248040671583
2008	16.052147405703156
2009	14.607814190396878
2010	14.509954767632644
2011	14.10653935529133
2012	13.67787476557331
2013	13.378953968420973
2014	13.967943333086863
2015	14.73084268313383
2016	14.7118894308035
2017	14.859561522665828
2018	15.184732694526758
2019	14.953281329156118
2020	15.245104662165328
2021	15.58045718009568
2022	15.410734609759924
2023	14.664381475700441