Year	% of GDP
1989	24.676548746465006
1990	21.259803496012587
1991	20.614518975584353
1992	20.452650943375442
1993	21.01670815157885
1994	20.261568228267702
1995	17.15731065738442
1996	16.6831389334093
1997	17.11894193629018
1998	16.817184348756182
1999	17.07932625229765
2000	17.406949371696317
2001	17.407217939561097
2002	17.357777612778023
2003	17.778178122250814
2004	17.524358816500747
2005	16.81705388208993
2006	16.562698613822672
2007	16.0451981386349
2008	15.701487508356124
2009	15.103024642830448
2010	14.722387612348692
2011	14.15360811459507
2012	13.90404574286247
2013	13.58544680604617
2014	13.540790675043828
2015	16.760756843072464
2016	16.579574290899178
2017	16.187520057392515
2018	16.3948876020827
2019	16.187602631118914
2020	16.634288733790132
2021	17.44917059953227
2022	18.16029255733877
2023	17.92272648939001