Year	% of GDP
1970	100.62383917841144
1971	102.54234817341614
1972	99.24362987705706
1973	100.38405886337047
1974	102.6818904235299
1975	105.78356580486357
1976	108.35768079584334
1977	109.10086528366098
1978	99.85362073419248
1979	97.89531975307266
1980	94.22864844994486
1981	93.01504329982768
1982	95.12916589377357
1983	92.41110446406928
1984	91.46136319661353
1985	92.98508895772063
1986	103.617729141176
1987	102.41764507603084
1988	100.84432089916335
1989	96.77648327208891
1990	93.92994168252517
1991	92.41007635867948
1992	93.51894555727328
1993	93.8635797713587
1994	94.14650673954183
1995	94.0618063039772
1996	91.33673786731798
1997	92.08167592479016
1998	98.11331780218497
1999	92.73362111644794
2000	83.08676775788997
2001	83.18806057031686
2002	86.57924936626719
2003	86.9763160406257
2004	86.45160316152747
2005	83.58538174305234
2006	82.58519257970462
2007	86.02679293984257
2008	82.34915441043272
2009	87.84413898033866
2010	87.93901474311907
2011	86.27616569671333
2012	85.9243225630405
2013	88.25017352487676
2014	89.68206476360122
2015	93.28151101708751
2016	97.24056372922641
2017	95.64422168076042
2018	93.56108529346882
2019	97.61394208461255
2020	100.93327459321262
2021	85.15010993468675
2022	71.68505252978615
2023	85.2908539673001