Year	% of GDP
2001	40.70535460133048
2002	43.56831143069675
2003	46.376970275608656
2004	53.0548827099662
2005	51.96756025237031
2006	50.8428719062721
2007	64.41405536546252
2008	69.64565532418271
2009	73.80862649618656
2010	59.49942345204895
2011	59.854059572097775
2012	62.335507241879384
2013	63.092896367919316
2014	67.1057131201116
2015	71.91304862760055
2016	73.2399666737917
2017	74.46103278331863
2018	65.92579626556405
2019	70.71939617027844
2020	70.64530073913048