Year	% of GDP
1960	23.478768283001735
1961	27.765895409582512
1962	21.73050327851366
1963	18.272515787914063
1964	17.178899805341217
1965	19.223425192303953
1966	20.54254662901789
1967	21.21503578732832
1968	21.690497292136214
1969	23.990605202196264
1970	24.440095247505123
1971	24.11303241779087
1972	23.891544619039845
1973	20.89381153208109
1974	22.26033178563756
1975	29.4410469590453
1976	30.72943958968289
1977	30.941688803821204
1978	27.821893210079367
1979	23.91514080958882
1980	25.257786289887957
1981	22.691088721561837
1982	21.754947946459215
1983	20.88775230614668
1984	19.96409244929955
1985	17.589066918001887
1986	17.461764205086087
1987	19.554866001208627
1988	18.64003889719256
1989	15.51469827528042
1990	13.996981575666235
1991	14.63697739507962
1992	16.702405774185685
1993	19.056434066116108
1994	19.938975256370416
1995	17.937746110701493
1996	18.082181262338107
1997	19.370123540679987
1998	19.93496168651263
1999	18.01402440013685
2000	16.192649393260997
2001	14.179118318327259
2002	11.960648090088938
2003	15.137507564985722
2004	15.893787278232207
2005	17.351146895115342
2006	18.331186722544597
2007	19.516079157005308
2008	19.0101609779701
2009	15.581752639827037
2010	16.64146615655254
2011	17.24828470135148
2012	15.857525418634708
2013	16.28951118518985
2014	15.97995407645271
2015	15.564745077035363
2016	14.272362754223652
2017	15.162198754824384
2018	15.25104950016068
2019	14.199046142268074
2020	14.282505371896956
2021	17.625888274734553
2022	17.884309158735554
2023	19.074758125973563