Year	% of GDP
1960	93.95741481354905
1961	93.13969051480177
1962	92.30043162861493
1963	90.40971527366007
1964	90.50556516054185
1965	91.33524644039933
1966	93.42769285455347
1967	94.53099243070187
1968	90.04327727564898
1969	88.76564227158512
1970	88.63191205784176
1971	89.95340697375663
1972	89.60715443697805
1973	87.91394012040689
1974	90.23853547386913
1975	87.22225880593493
1976	84.78926024097865
1977	85.44603857865975
1978	85.9883294091536
1979	85.69154824360359
1980	87.49802066029157
1981	85.768606015963
1982	85.31944070587886
1983	85.63585065115086
1984	84.96052579309985
1985	83.90910831043476
1986	84.70937628432237
1987	83.37861619736185
1988	81.72388691720526
1989	79.7351528287398
1990	78.36062548650727
1991	78.09680014808875
1992	76.65938513834759
1993	76.45422202018175
1994	75.27665338147777
1995	74.24072839766664
1996	74.88610784836031
1997	74.94055852647934
1998	75.7186237600651
1999	76.18497614932203
2000	75.68681660962362
2001	75.9083073165393
2002	74.3437418253318
2003	72.37996752245189
2004	68.7562502876863
2005	67.74487013271903
2006	65.91241587333667
2007	65.62262680394593
2008	67.21529713797585
2009	67.41955588482035
2010	65.73246562942994
2011	67.2916801699213
2012	67.14481002113246
2013	67.94092623280443
2014	68.56857390940635
2015	69.43557178701136
2016	69.60382930751398
2017	69.4923486310429
2018	70.11154133826078
2019	71.91396315140535
2020	72.71058112092332
2021	71.42675787364054
2022	71.6379874075544
2023	70.8401801316694