Year	% of GDP
1995	19.681487236997413
1996	19.202631078241676
1997	18.946605550855665
1998	18.771382846778074
1999	19.40141561875183
2000	19.21061742029848
2001	19.189412230113906
2002	19.392963490974488
2003	19.94895248598288
2004	19.067880246536305
2005	18.974569268085297
2006	18.86174361748313
2007	18.121672038293376
2008	18.592101551588687
2009	19.38172823016476
2010	19.207075055255356
2011	18.275398538043945
2012	18.05093816707621
2013	18.255228750493995
2014	18.20041432357179
2015	17.911944174935087
2016	18.0749205533036
2017	17.981458734050488
2018	18.145926638391067
2019	18.58661923816972
2020	20.04156376605448
2021	19.626984840118837
2022	18.767184606002886
2023	18.965488053658238
