Year	% of GDP
1980	29.676631383040597
1981	36.06154288590122
1982	34.924688932547475
1983	33.76231779061265
1984	35.329277033491316
1985	31.849683850125643
1986	32.12167163416009
1987	30.333166353236813
1988	32.67718691566849
1989	28.8254941989732
1990	14.655016677461855
1991	17.337391304347825
1992	12.823336653386455
1993	6.21552980930077
1994	8.509748858447477
1995	25.565018017883833
1996	9.956693826958416
1997	21.354719476941295
1998	25.190229941422466
1999	16.112580313853332
2000	13.483798896627802
2001	15.721540721081736
2002	17.98515341041516
2003	16.80983174386225
2004	16.977015339124634
2005	16.756853442118267
2006	14.944679140627942
2007	9.63073336467823
2008	14.784488172877385
2009	19.627196342053345
2010	21.17975389089454
2011	22.423965975479522
2012	22.27325948477949
2013	23.889209993120893
2014	23.384632383482717
2015	22.207728990595278
2016	23.883580721434555
2017	25.15222244892865
2018	23.703871033710456
2019	24.27218188796626
2020	20.457349614301478
2021	20.108050240993588
2022	21.940733176275387
2023	20.11737728152756