Year	% of GDP
1990	20.39213702477262
1991	20.042939524811267
1992	21.683923429713108
1993	21.639261812724573
1994	24.448265135861458
1995	26.32672025255808
1996	26.916484967033877
1997	26.4255503961667
1998	27.624305354681045
1999	26.07922345976815
2000	26.285204741597457
2001	26.95491559648506
2002	28.055924991383275
2003	26.59278251271845
2004	27.244792476295217
2005	28.321943635810904
2006	29.54309396550881
2007	31.813830556913913
2008	36.06429294156956
2009	31.713233698822258
2010	30.157626121497387
2011	32.30737982217822
2012	33.34905428229799
2013	34.192069931558194
2014	33.06783700527408
2015	30.91157560999817
2016	28.444407185653763
2017	27.55756179676574
2018	28.551325443649446
2019	26.7628802655437
2020	24.27284690829626
2021	26.38612046220396
2022	29.98120074521493
2023	28.24848952608221