Year	% of GDP
1960	12.888080958995877
1961	13.021269900740215
1962	13.160195872682756
1963	13.280012670256571
1964	14.794859117455092
1965	15.61514312867231
1966	16.703818221039764
1967	17.922256621947025
1968	17.429369760943807
1969	18.36889462334701
1970	18.38760504201681
1971	19.609028617492946
1972	22.985770713367913
1973	23.014945390979864
1974	21.33164704512564
1975	22.683013796319155
1976	24.784091595808235
1977	23.439466346520707
1978	24.066813031106875
1979	22.716077341405345
1980	22.013783999898457
1981	22.61283685345907
1982	25.71756426698053
1983	24.43756798065998
1984	26.051742069147394
1985	29.3061657913413
1986	24.976638306751873
1987	24.195698135524772
1988	24.972500120880998
1989	25.201185793310298
1990	21.24607194995816
1991	22.89422353530027
1992	24.196348501030883
1993	21.610057228172895
1994	19.303947292077293
1995	19.559824851347855
1996	18.44414100901169
1997	20.465196873126683
1998	21.267264221516392
1999	21.19413273872569
2000	23.254572602023668
2001	32.95536983798887
2002	32.2797015809976
2003	43.728299471728164
2004	44.31206327136627
2005	46.17545409202204
2006	47.17521273187541
2007	45.6766463041048
2008	43.86043986403062
2009	46.91585156744561
2010	47.30378413948776
2011	45.55742492700719
2012	46.801818806958636
2013	47.836401838993645
2014	48.03379794076529
2015	49.24120665840115
2016	49.657754714558585
2017	50.804341763618545
2018	53.19549817911975
2019	53.700731952768365
2020	62.755890676638735
2021	61.122290476228024
2022	59.13814015074919
2023	57.765856859547604