Year	% of GDP
1960	29.986354670787463
1961	28.351176052613557
1962	26.308862887995815
1963	24.6726584524908
1964	24.04042351749758
1965	22.171095143831096
1966	22.33782513708448
1967	20.95816592428284
1968	20.39226557021684
1969	20.614516312516223
1970	20.12835936471112
1971	19.81852662290299
1972	23.494791666666668
1973	26.892729051190088
1974	25.941246290801185
1975	25.505180892167196
1976	24.604124892580924
1977	25.191715144153935
1978	27.721883812746757
1979	28.157518361035947
1980	26.42157269783277
1981	25.25736497545008
1982	25.463650611851225
1983	24.350104084998243
1984	25.942730644968293
1985	29.78538415303944
1986	30.979310820837576
1987	32.370883669589745
1988	62.90061736316067
1989	65.04119684148117
1990	69.88863740854099
1991	71.16961312148696
1992	71.73728218548541
1993	70.55028081584392
1994	71.86434878587197
1995	74.01003782368345
1996	80.40058950950039
1997	82.6897867671612
1998	81.36629659446201
1999	82.24686255287956
2000	78.8813140964127
2001	80.11107653213375
2002	76.4571145671581
2003	78.32012310455912
2004	75.8068854766141
2005	78.73163417325715
2006	82.98467914912445
2007	84.9831479623245
2008	92.42643840781707
2009	89.5249531831123
2010	92.69817396039677
2013	92.8164881849852
2014	95.00286362943399
2015	99.17226905562713
2016	100.49070302221796
2017	100.6452374073004
2018	101.70679158514957
2019	100.92739580592742
2020	111.52099624381083
2021	109.20238593203608
2022	102.4757472812121
2023	100.07033618250185