Year	% of GDP
1960	19.017313082341573
1961	18.97189864709578
1962	14.555365612049398
1963	17.415218294928522
1964	15.522697092259948
1965	15.809465585029864
1966	18.72824021087149
1967	22.109898811350018
1968	21.763218160464316
1969	23.157694861045115
1970	20.934275533550466
1971	21.779012755264983
1972	21.09252327731029
1973	17.17357246913848
1974	20.173751355449042
1975	17.70720204728424
1976	15.161369505639172
1977	13.132945794363721
1978	13.024223231360665
1982	1.0006911422615044
1983	0.49621615589721146
1984	-1.204827028168328
1985	-9.239244252574144
1986	-11.054769998572128
1987	-7.976636875396466
1988	-3.340094902511951
1989	-4.8936551314334915
1990	-7.673099484874922
1991	-1.6300958582975964
1992	-2.2680658013649655
1993	-2.601781587659274
1994	-2.1140964729257226
1995	1.6998964470219005
1996	9.160414512057692
1997	7.069592278543063
1998	4.119867091662093
1999	-0.18012562645654476
2000	5.482923069667556
2001	5.260043961848373
2002	-40.81475362689738
2003	18.521828360906788
2004	24.532997105910802
2005	30.81211008404967
2006	21.448534737940047
2007	26.59116047420097
2008	26.978369570108935
2009	23.398323442999008
2010	27.77955922150986
2011	25.545571687552847
2012	27.460753074167915
2013	23.73481449873127
2014	25.455913714182444
2015	21.53476328236021
2016	20.412692486631016
2017	15.511125626668681
2018	19.044120096957176
2019	20.327394021776254
2020	5.257023818865977
2021	13.488813615781492
2022	23.891360527787405
2023	21.18721359094303