Year	% of GDP
2001	13.7178365947142
2002	15.1303966197719
2003	17.6800014490544
2004	19.6395041737259
2005	22.6195637092088
2006	26.4616655344019
2007	32.9624753605887
2008	31.3903649646792
2009	28.4640339164049
2010	26.7903691296877
2011	26.2021703423694
2012	28.7257857991573
2013	31.8720432422989
2014	33.8611180253853
2015	36.8512472678911
2016	38.5799080358605
2017	42.7140623290596
2018	39.8570187449368
2019	32.2172998048025
2020	29.8982625997658
2021	28.1417315098802
2022	29.670627001553