Year	% of GDP
1990	31.312690963822998
1991	29.2733383817258
1992	29.27333838265051
1993	31.03639600227523
1994	36.65279338115061
1995	36.455083642191056
1996	34.79249867613676
1997	29.463917525773198
1998	28.406440016826647
1999	22.911184837737864
2000	21.026133743274407
2001	20.772728981095202
2002	19.399418121363258
2003	19.788604459124688
2004	22.367272359640282
2005	21.98658012301698
2006	21.916620138277924
2007	24.4852093860851
2008	27.31841286685598
2009	28.042480771081458
2010	25.036190961427458
2011	25.635426978708402
2012	25.29712805671248
2013	27.012568040188732
2014	24.375424358991495
2015	21.71920202906127
2016	22.592222882561526
2017	21.394056890769175
2018	21.781627648115453
2019	13.559154993624519
2020	8.098176141902366
2021	5.3594844610323795
2022	1.225170819607607
2023	0.8508432255394386