Year	% of GDP
1961	18.227545931384228
1962	17.939095306104377
1963	17.399889812336454
1964	18.016651482674582
1965	18.602594729484977
1966	19.244329808502577
1967	19.184859625846844
1968	19.904467607725167
1969	21.041778619736107
1970	19.64795372519495
1971	19.69127900235784
1972	20.63518586856317
1973	21.599283398260948
1974	24.09085070771297
1975	23.895870413589797
1976	22.58259182214829
1977	23.05633119667133
1978	24.31356110500314
1979	25.90953386385212
1980	25.810477103934797
1981	25.71791572329093
1982	21.423253585312008
1983	21.783886678882357
1984	24.540137579926665
1985	25.295034068160323
1986	26.077511725499875
1987	24.862972197459328
1988	25.312891812650946
1989	25.02028800781442
1990	24.920165463457277
1991	24.87015031926278
1992	26.538898384824815
1993	29.10819678275641
1994	31.609955907532083
1995	32.963693798016166
1996	33.161633524610565
1997	36.203639892159515
1998	38.05201060243116
1999	38.25384431456161
2000	38.55612202921533
2001	36.30426330343764
2002	35.64837348484151
2003	32.97410941850994
2004	32.86464868490796
2005	32.90242569322856
2006	32.64970526014751
2007	32.053864584257695
2008	32.62860280982957
2009	29.958557505915355
2010	31.0407395714164
2011	31.820346853522114
2012	32.24252341691272
2013	31.89913623295373
2014	32.642086283151464
2015	34.31494110353378
2016	33.86111211221935
2017	33.64665069948674
2018	34.27448212439034
2019	33.818789460239465
2020	31.683123728341844
2021	31.207811457763484
2022	33.713848808280986
2023	33.92683078797613