Year	% of GDP
1960	102.47783803142643
1961	103.37813306013146
1962	100.59103291171915
1963	102.92477242650004
1964	97.55305630995306
1965	93.76187929642445
1966	96.60730236670726
1967	95.04620512763348
1968	97.79024135657359
1969	94.219158444603
1970	96.76804977409307
1971	96.84767264438928
1972	95.5305515240558
1973	96.4089959400624
1974	97.13474707005693
1975	97.02756340187531
1976	99.04356706484641
1977	97.11979334769231
1978	98.32137241402398
1979	99.19199077091683
1980	99.29456378097366
1981	99.36510398279327
1982	98.54645289588777
1983	99.37734030236918
1984	100.1425594849411
1985	104.13495584741695
1986	102.59518330997837
1987	100.10344321791985
1988	101.19378342888801
1989	101.49183905355714
1990	97.80697182188064
1991	97.15515160044242
1992	98.78715087525191
1993	101.63205122764958
1994	98.22933960747122
1995	97.89999779601337
1996	97.5891901343009
1997	95.17134039185503
1998	95.2650170639415
1999	96.68101650211631
2000	97.14381677136103
2001	97.47484573311323
2002	97.13688669045123
2003	97.64212490163354
2004	97.0834451674128
2005	94.7306904446359
2006	92.482834172195
2007	91.4784779137112
2008	92.04252135443676
2009	95.43650786598307
2010	95.4695163719207
2011	96.81941437815145
2012	97.36787889566038
2013	98.11609634487851
2014	98.34889576811135
2015	97.2256970846444
2016	97.67011444421641
2017	97.88090581909171
2018	98.8511640341493
2019	99.26967868561366
2020	98.69712000904403
2021	97.06200272873147
2022	96.58818119336877