Year	% of GDP
1987	56.61046577743796
1988	55.68639222235053
1989	53.668253397212425
1993	32.763147429299316
1994	31.012578847000572
1995	29.050669291470612
1996	28.712860342874947
1997	27.619083922902664
1998	26.811636333064072
1999	27.41746403656283
2000	27.57269213652977
2001	25.102113607975394
2002	18.467234000979552
2003	20.329808262394568
2004	26.108450381617203
2005	31.31286436673082
2006	35.749022171022695
2007	42.080900397394295
2008	48.408307071520426
2009	49.88944650161609
2010	51.969667822454156
2011	52.07954343893282
2012	51.072188516217835
2013	50.343981507388186
2014	48.90335132177803
2015	47.96449663838173
2016	48.04063795917212
2017	46.51069150650234
2018	46.05840686761732
2019	44.990910377031334
2020	46.23297704013428
2021	44.65166728533572
2022	40.92549357421832
2023	37.89254316045174