Year	% of GDP
1997	32.29893423853863
1998	29.479090274852553
1999	27.648233063755306
2000	26.717632894310796
2001	25.904611758240968
2002	29.202042472549756
2003	30.383872262783957
2004	29.465676952592368
2005	29.653740162065812
2006	32.54586662394757
2007	34.968275159332045
2008	35.094459991698024
2009	40.92889674505435
2010	41.764546727620136
2011	42.353221931966964
2012	43.670803059989865
2013	46.53741789220811
2014	47.256098527090764
2015	50.68611763288642
2016	53.050491482641874
2017	53.33422770015312
2018	52.94324504971761
2019	56.67568310989316
2020	61.61557247606123
2021	60.677235169813
2022	58.97664137581412
2023	58.78255773115247
