Year	% of GDP
1976	15.321277503882245
1977	17.44328298611111
1978	17.427140689402837
1979	16.469951760207284
1980	17.29647840762617
1981	16.89507042919558
1982	16.401240713458336
1983	14.505735853563163
1984	16.012586181503085
1985	18.623113392220876
1986	15.519510737660655
1987	16.80707053846468
1988	14.84427922171536
1989	13.246422659119778
1990	10.334197587136796
1991	11.716774016860239
1992	15.108862189082064
1993	16.625170707712574
1994	13.992043702325715
1995	21.007793878406154
1996	20.385082663977087
1997	19.110543974084404
1998	20.131929012561965
1999	20.4712350931655
2000	21.73051331196651
2001	18.55022349851161
2002	25.131483622945634
2003	25.126766111272964
2004	27.575834168127333
2005	30.68571663320998
2006	29.504252851020606
2007	31.058869652816433
2008	36.656912120874004
2009	37.248180616287705
2010	37.7504833918806
2011	29.51612846363303
2012	34.555332057984444
2013	37.081317568313914
2014	39.58967843208369
2015	40.0882077561847
2016	35.30506782670433
2017	41.88063639992258
2018	42.60310934400078
2019	42.18751604956164
2020	32.81596836657501
2021	30.911000632795936
2022	31.145027271244803
2023	36.38325033381539