Year	% of GDP
1960	38.92498987596804
1961	39.09405343239409
1962	36.97682114538093
1963	46.4067496885245
1964	46.85813527200126
1965	51.10633588842196
1966	52.038622741209096
1967	46.97541958200818
1968	44.92736572043366
1969	43.335773447249686
1970	46.58712342402123
1971	49.14553988097112
1972	42.42437443529099
1973	43.68271907093248
1974	54.84924549825587
1975	47.58624694158938
1976	50.62537168065493
1977	55.06878992150116
1978	51.548577427270914
1979	43.72520027036306
1980	46.3847695461039
1981	44.90486139705882
1982	41.49836069599333
1983	36.84440428961632
1984	41.0728554804544
1985	39.021787272496425
1986	38.858279013657395
1987	33.861006457968315
1988	36.56326437051982
1989	37.727354784890736
1990	37.970878092094324
1991	37.33060402751256
1992	38.737400652133694
1993	54.73082010217949
1994	51.453883016667966
1995	53.834043705121246
1996	41.649145453765854
1997	40.66099278942456
1998	36.93061179946314
1999	35.50710519680605
2000	38.08631767523068
2001	39.550262305912156
2002	40.7750781855428
2003	41.168725779346204
2004	44.96333290696516
2005	49.4505906156916
2006	41.56742325894005
2007	40.89717809616199
2008	44.93364285892636
2009	34.630374137344674
2010	38.01732445593349
2011	43.81956659509134
2012	39.748776334617176
2013	36.01991432841014
2014	35.894726650615816
2015	31.373160003338025
2016	26.467903285223827
2017	27.34636049254332
2018	25.411326188957172
2019	23.405425395812955
2020	21.328762162263054
2021	23.971853138257462
2022	25.195771303071147
2023	23.998382174408647