Year	% of GDP
1960	50.45235018025984
1961	66.2744461575915
1962	72.16485974875236
1963	67.62797404470079
1964	60.52112388597863
1965	54.87312572087658
1966	54.06364165828348
1967	60.277561029985506
1968	61.72811192018807
1969	57.47120578942004
1970	52.93678992849936
1971	51.365541943099025
1972	52.272371101708195
1973	51.97373194978594
1974	51.8796194787283
1975	50.28787629544333
1976	53.15197751455531
1977	50.70153846153846
1978	47.81849009610252
1979	49.11564392003642
1980	50.93932816813922
1981	53.23379266501481
1982	53.35813154685377
1983	53.495730512954474
1984	50.69102134587511
1985	50.85690006380715
1986	51.01619905158987
1987	49.67393367162238
1988	49.61759944623874
1989	51.09489010197969
1990	49.992601808380144
1991	47.91715790405717
1992	45.27461980967651
1993	43.996161145188545
1994	44.087817670841474
1995	45.7541656975042
1996	46.8492422197393
1997	45.89575778844564
1998	45.50532405546364
1999	46.20561663566094
2000	46.73235842320395
2001	45.51980966300299
2002	44.91301883372969
2003	42.70778499533964
2004	40.610905600723015
2005	39.58687835593799
2006	37.75197952322906
2007	36.36952581760971
2008	35.28788015163351
2009	35.327295905661934
2010	34.32634108900404
2011	34.92042834383259
2012	35.38653491212235
2013	35.833131119885365
2014	36.70789835883895
2015	37.77300365522985
2016	38.67498194984877
2017	38.54274621691714
2018	38.52188051846655
2019	39.248062130764374
2020	38.200312388796306
2021	38.113565249910195
2022	37.39180924427504