Year	% of GDP
2004	16.955998845669274
2005	18.146440521563136
2006	17.148219299313624
2007	17.042425380461154
2008	21.139685169746457
2009	23.86191799439212
2010	22.99736234700932
2011	22.568016317122193
2012	21.373642156068247
2013	22.637181797709268
2014	23.987558053075883
2015	25.077981348841945
2016	25.711518158480455
2017	22.629724992364714
2018	22.076813756494893
2019	21.758480572008548
2020	26.58128777784367
2021	24.96852950404402
2022	21.162789434273776