Year	% of GDP
1960	61.95022161609274
1961	65.9223634489866
1962	66.68842826832055
1963	63.755856324830816
1964	62.67252962012947
1965	60.1767955801105
1966	59.8669853476047
1967	63.726695349313665
1968	63.00147130946543
1969	59.93046888928508
1970	59.979710880040585
1971	61.065225781551526
1972	60.56962025316456
1973	55.055279602627785
1974	55.8929040160994
1975	58.59752821063944
1976	52.39451664589638
1977	51.98515769944342
1978	51.69191785883967
1979	48.26382905393762
1980	50.5477601860884
1981	53.102598371895226
1982	53.077525200083066
1983	51.754585202430306
1984	49.77247014456317
1985	51.99819284884472
1986	50.98052909461687
1987	48.175371523709686
1988	49.19779149074375
1989	50.002375680632504
1990	51.80255456370034
1991	52.17503922323199
1992	50.27076890404959
1993	48.28507381209566
1994	48.13645688909808
1995	47.921770282236494
1996	46.03045733293396
1997	45.346084919888575
1998	41.56077996631867
1999	41.579444348392755
2000	43.754366570239696
2001	46.12242929953287
2002	45.01021625049255
2003	44.57684308055276
2004	43.99786519508573
2005	44.18648289665881
2006	44.33496876591866
2007	45.15255358162744
2008	44.70620781376429
2009	48.841212192627694
2010	48.116586359951015
2011	47.967990628835416
2012	49.65117188947873
2013	51.81049936482318
2014	52.41887742974559
2015	53.96186666037715
2016	54.78770932260358
2017	55.39175303380032
2018	57.42581640632631
2019	59.7716877634033
2020	61.01202886029631
2021	57.94910243381225
2022	57.59646010765529
2023	60.429695628243074