Year	% of GDP
1990	18.006591575821233
1991	17.9499661933739
1992	22.972246842455128
1993	20.916229018638656
1994	19.990820003213
1995	20.70863469573886
1996	21.689673426174767
1997	19.055729663441888
1998	18.123462512032514
1999	18.10878632123635
2000	18.99811625852268
2001	18.680484623725192
2002	17.48160141301148
2003	18.21793683511558
2004	20.995502342137463
2005	24.41516536703415
2006	24.554864454727692
2007	24.689851870780544
2008	17.152210648872963
2009	16.530351582939442
2010	15.499090812401203
2011	14.608237222506881
2012	14.921280517099616
2013	14.93051499627851
2014	15.43164403400284
2015	14.95102561805551
2016	15.020630435531942
2017	14.70212424251251
2018	14.728848045184723
2019	14.814064626388582
2020	15.98110204467863
2022	17.50757675716018