Year	% of GDP
1960	91.22561961857808
1961	84.34541832754445
1962	91.23464247794361
1963	99.10586653486433
1964	99.74594748126819
1965	99.97963816250297
1966	103.36194669280357
1967	93.98351300778873
1968	98.62115804617889
1969	94.7712158388982
1970	95.06034968270573
1971	88.31830725201768
1972	86.56059981457754
1973	85.13228890635612
1974	93.00555344174508
1975	80.5612222918341
1976	74.09764859830631
1977	74.7327293113062
1978	80.48708875329919
1979	86.07283987243194
1980	74.09012770137524
1981	68.74858545292281
1982	69.42035027765911
1983	75.80804907481898
1984	77.73462901439645
1985	68.03656790123456
1986	55.693562479922896
1987	39.25203325554259
1988	41.649245748765765
1989	42.81800991325898
1990	45.72265875957499
1991	44.838528543307085
1992	36.53551354113439
1993	37.02730602409638
1994	37.046593482782534
1995	45.557591388203626
1996	47.130588977702985
1997	51.193088557213926
1998	44.79810448288033
1999	46.47976419066868
2000	46.67429318516098
2001	44.06613193648715
2002	41.23611781747948
2003	45.0225891883471
2004	49.09275656844245
2005	51.39416153946852
2006	52.331770430505756
2007	48.54817485114932
2008	50.26709193851116
2009	40.9240635642943
2010	44.059539697992584
2011	48.90244573356725
2012	50.728065638699015
2013	47.214708267966564
2014	46.96680350037028
2015	44.33751807964649
2016	44.119372832080195
2017	41.69618229754883
2018	39.505920935275576
2019	37.72959682385733
2020	38.642135445161955
2021	40.9279482075419
2022	45.35435698111333
2023	40.32179741290536