Year	% of GDP
1989	25.968695979936395
1990	21.504085680033004
1991	19.73604833291433
1992	18.731151840786392
1993	19.675912278365125
1994	20.331120949853172
1995	18.41814724905889
1996	18.567404244729975
1997	18.716952937464058
1998	18.829178564357953
1999	19.110628886446868
2000	19.457900525115797
2001	19.01894320277475
2002	19.943630088042948
2003	19.737316377199267
2004	21.663253725955233
2005	21.42161390703193
2006	22.685581397677336
2007	22.666345065275898
2008	22.292580956894604
2009	19.757779655140745
2010	21.293716647264695
2011	21.41125691204516
2012	20.66439536818173
2013	19.401716674159697
2014	17.742272999456823
2015	17.71498590447851
2016	17.54659056045736
2017	17.604908536065423
2018	17.95794965931889
2019	17.91595521252084
2020	18.381332952565405
2021	19.827267976694962
2022	18.54088334120481
2023	18.144425356238912