Year	% of GDP
1960	70.90959492255409
1961	72.77142704458272
1962	75.76594670541598
1963	70.65147438544257
1964	66.69462057529697
1965	71.42857323488404
1966	70.46899852699481
1967	72.785281779316
1968	69.48297219332473
1969	70.78270798648506
1970	70.84265480027871
1971	74.41540447745855
1972	74.61918361498303
1973	74.29797885729681
1974	70.66305761042699
1975	77.41162868755002
1976	71.5170559489676
1977	66.37214212204495
1978	71.15211828816228
1979	75.09383250306807
1980	79.64091307118667
1981	81.16872137047335
1982	79.71527656861358
1983	80.3476853581523
1984	74.82857167122357
1985	72.6713040528005
1986	78.62212926289574
1987	83.87302538697504
1988	84.7516617859012
1989	88.1179189230087
1990	88.73294404651459
1991	89.6163702311807
1992	90.82009396922022
1993	86.67054606505205
1994	75.06613338210516
1995	77.08530473023752
1996	83.67542348400181
1997	81.15381156163302
1998	79.01278596641002
1999	83.79186758200464
2000	83.49146723160248
2001	83.95413453682986
2002	81.15614986713972
2003	81.80959196732812
2004	83.11742593603738
2005	85.22083414657767
2006	83.8276894754194
2007	86.72276338502107
2008	81.73326246692568
2009	81.10387155097601
2010	78.79273637145259
2011	77.5594314439033
2012	79.88529141556101
2013	77.12207260708362
2014	74.74604420622168
2015	74.61687276112
2016	74.48745169845368
2017	76.84727558337534
2018	78.3963183775059
2019	77.34965284352417
2020	78.21280143999316
2021	76.94618003347746
2022	78.02499251246093
2023	77.97807182924352