Year	% of GDP
1990	21.8942659744113
1991	21.546129990078768
1992	20.55550936473699
1993	20.91448646687049
1994	21.202856243257404
1995	20.19619045471232
1996	19.454149366818733
1997	20.054195179764427
1998	19.001550571634183
1999	19.88306170086503
2000	19.526218324771225
2001	19.47469801785566
2002	20.956959206713385
2003	21.91937387283368
2004	20.65028431021364
2005	20.316830923779243
2006	19.929133833737247
2007	19.12119937826675
2008	19.130120756098407
2009	20.67144287766291
2010	20.53370132260755
2011	19.796751760015145
2012	19.45255852901701
2013	19.72313001968953
2014	19.332265013808843
2015	18.915254061397793
2016	18.96218640768684
2017	18.75827056848681
2018	19.405311008932017
2019	19.58852441976152
2020	21.76497614085226
2021	21.447760634516218
2022	20.195242430020176
2023	20.392145275985676