Year	% of GDP
1960	86.36150634046827
1961	88.80204710250622
1962	97.24169609061181
1963	92.12384303399516
1964	95.75478776202915
1965	84.0025289724171
1966	86.8526997389034
1967	87.27657033578028
1968	84.62890625
1969	85.20397084526039
1970	77.10500296202908
1971	81.09897244507214
1972	65.8705269180124
1973	82.90326645997405
1974	58.03139572319065
1975	67.21345555217721
1976	62.05340802025038
1977	103.43024372093024
1978	82.81345409174313
1979	88.58095759599333
1980	97.46266185341099
1981	93.90641770039898
1982	99.49844036961973
1983	106.58712197899172
1984	105.43106500248985
2013	127.74899238693598
2014	126.29548155239713
2015	125.95559439994628
2016	125.52746708103268
2017	125.327673295262
2018	127.05628664110277
2019	125.17550645580813
2020	128.29760481018928
2021	125.06028560320526
2022	128.02750459138014
2023	126.44798233622932