Year	% of GDP
1998	76.189768597944
1999	79.30723274437523
2000	77.05782786125023
2001	75.6573156461317
2002	77.20260269209756
2003	83.30655023599446
2004	85.77691325049356
2005	94.8535961338008
2006	85.12255494345222
2007	83.10047200559181
2008	85.38014920787477
2009	92.00415959184005
2010	84.21634564060332
2011	84.72042579129685
2012	85.7818556847683
2013	81.58056723036701
2014	77.5558245897229
2015	75.21048680487382
2016	73.31583783041683
2017	71.04894038725416
2018	71.52740528835648
2019	69.47023910618628
2020	72.91338656470235
2021	70.97842452936928
2022	68.72821641900781