Year	% of GDP
1985	28.814827395932173
1986	30.037056209796226
1987	32.763381557632016
1988	33.830335652672105
1989	34.57495144807105
1993	33.23397715057859
1994	30.04512462822407
1995	25.973655769136144
1996	25.318209672142526
1997	25.34367669785777
1998	24.84666513157356
1999	25.581613182344494
2000	24.512781383683507
2005	25.65859890270176
2006	23.207912427058343
2007	22.307209585778637
2008	22.084701660804985
2009	25.137690782179344
2010	27.520090482791872
2011	31.696419766287597
2012	29.570357859483476
2013	28.145971790829734
2014	29.11589772916987
2015	28.46392785707959
2016	28.827523492795976
2017	29.17910994207274
2018	28.90323408377502
2019	28.356999525084
2020	26.176741899485485