Year	% of GDP
1960	10.427312775330396
1961	10.689847009735745
1962	11.207970112079702
1963	10.197424892703863
1964	8.481113320079524
1965	8.657381615598887
1966	8.574468085106384
1967	7.715198863636363
1968	7.199999999999999
1969	6.873287671232877
1970	8.598473282442749
1971	11.430927835051547
1972	11.854721549636803
1973	13.088461538461535
1974	14.99394917305365
1975	13.33540179956562
1976	13.778425655976676
1977	12.863959102527692
1978	10.44870092926228
1979	8.180447068140097
1980	15.721332160746378
1981	19.157018098974817
1982	22.66452221650369
1983	24.21058119633534
1984	29.849375599510843
1985	28.709219130657775
1986	24.52921242068705
1992	27.36182016635014
1993	27.779064752271957
1994	37.10727821728918
1995	44.01146744702165
1996	49.12191644316124
1997	50.09608245528195
1998	37.63937774951316
1999	38.02638380716471
2000	44.175673388081854
2001	51.622700727938785
2002	50.472947457067995
2003	51.83229750210351
2004	54.855762499333444
2005	52.19838964225156
2006	55.35635016811458
2007	56.68481076810988
2008	60.975662346834135
2009	50.491168328388824
2010	51.94057866524647
2011	59.33913715977697
2012	58.40215903448154
2013	54.680888196348214
2014	53.79476281842622
2015	48.7634771716747
2016	48.09529574018576
2017	54.814393951018914
2018	60.789852923739865
2019	59.93508620017277
2020	58.455660202147946
2021	64.77758957542426
2022	69.2626161040113
2023	60.99234014312833