Year	% of GDP
1960	109.88395358143256
1961	109.81107059993371
1962	110.74063951899427
1963	109.91321118611378
1964	106.39448425037176
1965	107.15660331970172
1966	109.97092205234031
1967	111.22868453105967
1968	112.68237934904602
1969	112.05766710353866
1970	109.95136952013158
1971	110.55846422338568
1972	104.7004241160344
1973	103.61840319866842
1974	111.06767868437697
1975	108.71713646192951
1976	102.80664418771765
1977	101.84973210591086
1978	104.09429724303803
1979	107.29855596670608
1980	108.65900903962482
1981	107.00928934684657
1982	105.33266069202921
1983	102.0503788919229
1984	99.40375079684392
1985	98.83251616651367
1986	96.12558236184017
1987	93.33217198667519
1988	93.61079546038316
1989	98.07396542136453
1990	100.75569840274197
1991	102.31844873682938
1992	100.72666793494867
1993	99.51808689157637
1994	100.53966056848256
1995	100.95116854253472
1996	103.06306864263671
1997	100.79818923110588
1998	89.49663198348968
1999	94.70154010546908
2000	98.293736487822
2001	98.75824108835194
2002	98.93024618431578
2003	98.49845646760971
2004	96.53091808455646
2005	97.68774861668699
2006	99.39467075178389
2007	99.0162988425199
2008	100.24937262636601
2009	95.73107411247393
2010	97.19212267369277
2011	98.8908569804308
2012	97.27021812340351
2013	95.36796273448279
2014	94.95160016556096
2015	93.15336530238109
2016	93.33850189880441
2017	95.2525093721833
2018	95.56228382725756
2019	97.20541683049726
2020	96.31486399266419
2021	96.44499311003253
2022	100.02934626974633
2023	99.95538671539175