Year	% of GDP
1989	25.16837335011658
1990	21.279666899205615
1991	20.5016220883286
1992	20.35200067768214
1993	20.98458864388128
1994	20.144614105463944
1995	16.65924645507944
1996	16.374822653522994
1997	16.636356889275646
1998	16.287412928433852
1999	16.703747352392178
2000	16.96388138161344
2001	16.825760907769958
2002	16.647244202862606
2003	17.124295772101323
2004	17.019130176120726
2005	16.482985694126253
2006	16.43663016769592
2007	16.023107304887855
2008	15.729586427220982
2009	14.814961952572922
2010	14.620531779243922
2011	14.009880754662547
2012	13.778660598969141
2013	13.445677016301511
2014	13.36762210376275
2015	14.113988706762914
2016	13.977577710114575
2017	13.747830513585491
2018	13.954681354196438
2019	13.762804148505356
2020	14.117159798593354
2021	15.04983183260278
2022	15.692000684980759
2023	15.530870525395427