Year	% of GDP
1960	9.49779911964786
1961	14.766535266821347
1962	16.98278218092375
1963	16.221793635486982
1964	15.090979775584698
1965	20.378988308876593
1966	24.611515101772813
1967	27.121688025274054
1968	31.375651249335455
1969	31.88040124734487
1970	31.31543145247801
1971	34.946989456079116
1972	38.178228258781076
1973	53.76726799160531
1974	57.88996666666667
1975	56.09086080655564
1976	55.145928914930074
1977	54.25463104776952
1978	53.2862748216025
1979	52.87175293111909
1980	60.86389519472576
1981	64.98931018788076
1982	58.83733012048194
1983	57.70018318921388
1984	61.40451551354922
1985	60.63210059718801
1986	56.746088742331466
1987	59.68352165569139
1988	56.368692855357075
1989	50.15291099589992
1990	47.59218613635479
1991	46.39237014905491
1992	44.55580991176792
1993	42.284313488395405
1994	42.78527145280963
1995	45.92053008546214
1996	45.89792225667713
1997	49.28082924743054
1998	58.85109979862821
1999	52.95066640931739
2000	57.75093782149929
2001	53.23357198718058
2002	50.15520731674247
2003	53.029190609208655
2004	60.30291690556726
2005	58.3652128264225
2006	60.27704208317112
2007	62.11208004068608
2008	81.85334372445725
2009	72.73954226402888
2010	77.95904874841526
2011	86.14346228030324
2012	83.5223890282724
2013	78.44667646620437
2014	74.00899236043303
2015	65.70466692327791
2016	60.120766154572344
2017	64.8258724521057
2018	66.07624390299488
2019	63.31364179678848
2020	59.607331462820454
2021	69.26258039740438
2022	84.52960407677162
2023	74.4280312048395