Year	% of GDP
2001	27.759725367796197
2002	49.5937439746648
2003	36.11569327467192
2004	14.934506045430771
2005	14.383559950175462
2006	16.880075602739954
2007	15.461485833706638
2008	14.930359728923085
2009	19.717344163652093
2010	23.726514959172455
2011	18.724938109751434
2012	18.642936633987787
2013	17.968563467508712
2014	22.461918830000947
2015	21.984080231696016
2016	20.636560828877005
2017	16.892326087197993
2018	16.47255955542712
2019	16.124276632199543
2020	12.695425083727436
2021	10.15863483356171
2022	8.844316774653857