Year	% of GDP
1975	10.367509629684504
1976	10.411636831158082
1977	10.949074074074074
1978	11.053110741815903
1979	9.5656083296619
1980	9.485675966154595
1981	9.067272194435654
1982	9.610171604754656
1983	10.76718039099526
1984	9.565879883454986
1985	13.053277808783756
1986	11.153183547484028
1987	12.106977326819491
1988	12.79223987725275
1989	9.268615084743864
1990	8.415525644000928
1991	11.386822400465263
1992	12.406164710073183
1993	14.51998497284867
1994	14.378337147215866
1995	15.193338656324853
1996	15.44997649781249
1997	14.759387265474327
1998	14.227259884658213
1999	12.098434082962028
2000	12.355594906821823
2001	15.104008804290645
2002	15.769094316378746
2003	16.933919237106153
2004	17.554946539257642
2005	17.02137045055072
2006	18.044012695617077
2007	17.68167435393301
2008	17.832596504907695
2009	16.873998251493518
2010	17.708551661924222
2011	19.363802273264323
2012	20.13555145840879
2013	20.88761544101955
2014	21.03487682181047
2015	23.206675991140933
2016	23.229324093900143
2017	22.66109374720732
2018	25.105547910114478
2019	28.06546489219989
2020	25.15049192482553
2021	23.116866916826933
2022	23.034460404588568
2023	17.67153393450255