Year	% of GDP
1990	20.179690501527418
1991	22.76207407168355
1992	23.09024863770872
1993	22.895545107886957
1994	22.156837451808016
1995	20.942682649414028
1996	20.65567078426448
1997	19.32512884825966
1998	19.14973656135773
1999	19.413901954707963
2000	18.300598186485363
2001	15.667238594508653
2002	16.02944597601812
2003	16.061511923686986
2004	15.965913384306846
2005	15.34768293065718
2006	15.343064287722866
2007	15.245323859937244
2008	14.66175240223956
2009	14.820384654570976
2010	14.801279733408263
2011	14.880319908320743
2012	15.435061901030542
2013	15.712562665551264
2014	14.436711631037818
2015	13.972312180308469
2016	15.628286616558515
2017	15.613101939321389
2018	15.852022663193347
2019	16.115597877459894
2020	18.143982749314283
2021	18.702958704974034
2022	16.801773280695652