Year	% of GDP
1989	19.12278388233194
1990	18.840301102081945
1991	19.26838813124297
1992	19.69907941890736
1993	19.449828101612212
1994	19.548751185001755
1995	18.741735652403868
1996	18.732526535296145
1997	18.225880065523242
1998	18.736466460941674
1999	18.832220135097476
2000	18.377441788933258
2001	19.109540230796437
2002	19.361941764420028
2003	19.463613509069642
2004	18.637941790004927
2005	18.179040218318754
2006	17.485971765037576
2007	17.55241634350287
2008	17.44180112764255
2009	19.200611073572873
2010	18.67721198515597
2011	18.60495911354543
2012	18.509182540977413
2013	18.451172072726408
2014	18.43908290464854
2015	18.713336842199237
2016	18.62414815135628
2017	18.486566847312066
2018	18.357050077849056
2019	18.56538212398202
2020	21.232481570439102
2021	19.90536684945804
2022	18.0909810939177
2023	18.765788396680378