Year	% of GDP
1960	9.994900560938296
1961	11.092062000939409
1962	12.097297297297297
1963	17.893730074388948
1964	14.63591228796028
1965	14.605001984914647
1966	16.049526020506867
1967	16.696444523852065
1968	16.763094830537483
1969	17.907663609513445
1970	17.764255435525776
1971	17.570281124497992
1972	19.2146657413833
1973	19.16285580961269
1974	20.147986942328618
1975	19.64153864475408
1976	19.684783646957683
1977	22.54901960784314
1978	24.465810572974384
1979	27.047524149575136
1980	28.244152014120065
1981	29.867884656982646
1982	30.472101972101967
1983	29.071332436069987
1984	27.3816623594637
1985	32.82936320247668
1986	30.965696280295674
1987	29.392227122381477
1988	21.899453433627357
1989	22.5413005454838
1990	21.337710679028042
1991	17.615699829774215
1992	18.942161594902014
1993	18.704565123896675
1994	10.797762743104073
1995	8.599488444849339
1996	10.143423170302631
1997	8.578547426570779
1998	9.08172283210902
1999	9.38956353388243
2000	10.999743497597464
2001	10.616608685433459
2002	11.789501251054551
2003	12.946660861928915
2004	13.667202832305547
2005	15.716519719315992
2006	18.115497493718813
2007	16.45854855600352
2008	16.933310056791715
2009	21.163814392628453
2010	20.976136628960788
2011	20.195780433929052
2012	26.018857732258404
2013	21.151186252672655
2014	17.635008647987966
2015	18.344707770809524
2016	18.842490520130998
2017	23.45765419922755
2018	32.73487351022945
2019	35.24732294968734
2020	31.88350011017651