Year	% of GDP
1960	14.698972099853158
1961	15.271210013908206
1962	14.9439601494396
1963	14.592274678111588
1964	15.934393638170974
1965	17.68802228412256
1966	18.47123719464145
1967	19.254261363636363
1968	19.82857142857143
1969	20.86187214611872
1970	22.673282442684478
1971	23.540618556649484
1972	24.885506744984433
1973	25.382417582383244
1974	23.417507059272893
1975	23.056934533024357
1976	22.284742468400754
1977	23.23714853733551
1978	21.184777798849485
1979	19.5088729706634
1980	18.033858448363954
1981	22.48835590431591
1982	25.595537637483083
1983	25.050698269786707
1984	25.132858422246564
1985	24.44558419170549
1986	27.89642771142126
1998	28.53524518456742
1999	34.33116989308988
2001	33.07172035175111
2002	32.50125209846365
2003	32.93999504206216
2004	33.25243021601285
2005	36.456919995276685
2006	39.480682762579335
2007	42.870581783283455
2008	42.5912351867486
2009	48.64895796744265
2010	50.27487130407284
2011	47.95065130676716
2012	47.73759136665395
2013	50.31968741253433
2014	51.83283318585483
2015	55.41871839523028
2016	56.0153799812353
2017	55.50033486054064
2018	55.094265486545225
2019	55.921489199859884
2020	64.882339991406