Year	% of GDP
1960	16.20897521768252
1961	16.39983579638752
1962	15.149239722170076
1963	16.98047419804742
1964	20.300170199597712
1965	21.46239554317549
1966	21.257861635220127
1967	22.496937298140104
1968	19.78021978021978
1969	20.418326693227094
1970	24.598576394636652
1971	21.38905961893055
1972	21.11244019138756
1973	27.714466603355493
1974	35.292438014562414
1975	25.93831830084376
1976	27.676660508167632
1977	26.774128613678943
1978	22.595143746176962
1979	24.174703469681855
1980	24.527520061332638
1981	23.266023873210457
1982	29.064346905040516
1983	28.31678002147501
1984	23.65486384827473
1985	19.049933475119975
1986	21.32401227038742
1987	19.630475372764597
1988	18.767446880619502
1989	22.498216107212222
1990	22.77698213959712
1991	21.47934686388236
1992	20.04576177548057
1993	19.080765189888847
1994	21.663311742427098
1995	22.551421622502367
1996	22.58187057880727
1997	21.11060288900506
1998	19.698684894671946
1999	16.880899352495913
2000	18.274744973771345
2001	19.97214923026699
2002	21.63445508418025
2003	25.600734451901737
2004	31.13839051859984
2005	35.54814293065667
2006	41.77171426810296
2007	41.7956567530236
2008	44.90655599255889
2009	35.72262482542744
2010	41.18745614161314
2011	44.09170185333077
2012	47.1661966249317
2013	44.0924795250944
2014	43.29308799093168
2015	30.868296029124544
2016	24.48800553944644
2017	24.90414436757991
2018	25.988795058863516
2019	24.967262284016588
2020	20.27258978570528
2021	27.825345909775645
2022	32.61155485278736
2023	27.28012911899548