Year	% of GDP
1980	34.52181208053694
1981	26.240310077519386
1982	23.581757508342584
1983	22.348993288590616
1984	17.750159337157427
1985	26.802919708029187
1986	27.381600435492725
1987	24.267448055407584
1988	21.523901965542397
1989	16.404077849860972
1990	9.100558334302661
1991	9.630460716923261
1992	9.65241490805162
1993	13.39611286154284
1994	9.775189283634237
1995	11.134874229878726
1996	10.630769500254
1997	9.41153414187396
1998	13.582066031045597
1999	8.933537316019958
2000	13.243953135547336
2001	13.908256641381698
2002	14.306050673493317
2003	14.463887894912983
2004	13.565626615486112
2005	14.48805269881261
2006	16.20295919720102
2007	15.930565392077934
2008	16.746823555940672
2009	17.253786117322043
2010	17.893211142868996
2011	21.593411883498863
2012	19.549967111257466
2013	19.951897207141787
2014	23.330168808773273
2015	25.10298713965512
2016	22.34692771435957
2017	16.968912615600313
2018	17.815541440426188
2019	17.772082692636253
2020	21.330907383495713
2021	19.86411674805395
2022	21.419250008340217
2023	22.954479679166496