Year	% of GDP
1995	18.8917869356054
1996	18.51020034869425
1997	18.08864446153905
1998	17.701279684007492
1999	17.87689205817384
2000	18.07081790768795
2001	18.65617978678213
2002	18.63696020999392
2003	18.9211617277655
2004	18.31943508189448
2005	18.33372033153968
2006	18.536025232109413
2007	18.193814273251213
2008	18.67605912081091
2009	18.752719520416903
2010	19.260608156344816
2011	18.205428409780637
2012	18.12382536789896
2013	18.422379619734915
2014	18.346395758553694
2015	18.019806824797286
2016	17.950901276437307
2017	17.693971234530668
2018	17.650690851565905
2019	18.02199876599962
2020	19.05352846763789
2021	18.745282753556985
2022	18.272647503998638
2023	18.623181414705627