Year	% of GDP
1961	49.03934126258005
1962	47.38421955403088
1963	44.034090909090914
1964	42.5531914893617
1965	41.588024731532705
1966	41.334861071326266
1967	41.96246400546044
1968	42.89011013617033
1969	41.812288424334994
1970	37.17903588149967
1971	34.48549068355135
1972	32.38043468711533
1973	28.205969170219745
1974	27.995705761518145
1975	29.701833445913344
1976	31.703656908364504
1977	32.984212552945706
1978	36.02722137736259
1979	33.860098379266304
1980	33.11865815818746
1981	33.39280275993338
1982	32.4262520009147
1983	32.676784130688446
1984	37.367570416027796
1985	33.76511143248581
1986	32.189091474555845
1987	29.863711938608834
1988	29.147345509605376
1989	28.115047443937353
1990	28.974058903842405
1991	25.979032615930777
1992	24.47312337201042
1993	27.56672351092026
1994	32.36352458275319
1995	33.812775437067174
1996	31.64525291771528
1997	35.03305271484265
1998	33.692142088266955
1999	34.25726648693958
2000	33.96639207871978
2001	34.41128093648702
2002	37.99064819184076
2003	38.348587932248265
2004	35.968662812320574
2006	20.403237057539506
2007	19.608590823474984
2008	20.174872159048718
2009	21.643467777470402
2010	19.608387097954566
2011	19.19971137151884
2012	19.27395076687234
2013	19.260019353334314
2014	17.691944275076686
2015	17.456930170084085
2016	17.8663404294926
2017	17.649568905744957
2018	16.973835520232186
2019	16.97614335246037
2020	18.75532763739926
2021	18.989937024514376
2022	16.931950259515343