Year	% of GDP
1960	23.031682295801733
1961	21.177373320672643
1962	21.614264221422214
1963	23.4228223444213
1964	25.69164082695122
1965	25.934749446215402
1966	27.782302602537094
1967	28.27283310463296
1968	30.257132494154142
1969	29.93187255549161
1970	25.227246298916672
1971	28.787442509397128
1972	27.385677039737818
1973	22.18482855186919
1974	20.141482255161915
1975	22.574492443908305
1976	24.798633896240485
1977	27.986695637102944
1978	27.524286016430413
1979	27.973309717921968
1980	30.45062274014435
1981	16.248791543801477
1982	17.674174055189713
1983	20.351143705155728
1984	22.16901620559541
1985	22.41325694963843
1986	24.906271317724205
1987	25.893881479745517
1988	26.4194773297036
1989	26.70248696189108
1990	24.344741908107146
1991	24.99590303053275
1992	27.738990198011557
1993	28.36743507052744
1994	27.27667585229468
1995	21.75004005417681
1996	19.96169276161018
1997	20.553181086446507
1998	20.179428215620696
1999	28.7012634097574
2000	24.09189910696348
2001	25.520047481813126
2002	27.922342038858073
2003	26.50589050862864
2004	25.049839205683682
2005	24.569949517039895
2006	26.794009365987726
2007	31.05589653725109
2008	31.852958312750342
2009	32.65610972977845
2010	30.50501544728369
2011	30.67984694542664
2012	32.38686252975631
2013	31.629902976681112
2014	30.248315031923813
2015	31.750378495254388
2016	35.8359681842158
2017	36.21504613602719
2018	35.223378851796355
2019	34.03219749900907
2020	36.57403958966361
2021	35.776609796072876
2022	34.18319627765551