Year	% of GDP
1960	62.971468480843306
1961	63.90003113829227
1962	66.2971353120809
1963	61.226794410447425
1964	56.66446796737187
1965	60.64773934486185
1966	59.73768018546172
1967	61.8243214822509
1968	58.25977232197238
1969	58.575868851934544
1970	57.27069201754345
1971	58.48234434420827
1972	59.02167165568982
1973	58.540509417558276
1974	54.46549361215738
1975	60.41941942840264
1976	55.33213571909986
1977	52.74818183636635
1978	54.86313644335058
1979	56.90266389212202
1980	62.78431830435714
1981	63.5550326817381
1982	62.322049174956426
1983	63.48913889829097
1984	59.665498280745155
1985	58.58427940487072
1986	63.49399248498596
1987	67.57858503385977
1988	67.6489358177146
1989	69.86364060026327
1990	71.9331970835562
1991	73.2551160720527
1992	73.37826985229216
1993	71.19614757772696
1994	63.04202310894361
1995	66.4770608124796
2015	65.26899676135969
2016	64.62225662607331
2017	66.57888962180364
2018	68.34897434490995
2019	66.52201024432486
2020	66.89119699431748
2021	66.98352056621498
2022	67.60794780110324
2023	67.67325526116011