Year	% of GDP
1960	4.463156455547525
1961	4.3035861899982315
1962	4.1689752832177245
1963	4.280503384901251
1964	3.7255511726312918
1965	3.3074727808806235
1966	4.14255065953483
1967	4.03444499534157
1968	4.038771005797665
1969	3.713842820481582
1970	3.782825062029956
1971	3.6672052170616887
1972	4.027489261552762
1973	4.208763192328722
1974	4.831321003369997
1975	5.647062157855777
1976	6.686512861669805
1977	6.383171813738012
1978	6.314825234508198
1979	6.749638157300526
1980	6.139551132161833
1981	5.936026626578064
1982	5.983299848639781
1983	5.8376294242785605
1984	6.283401392886125
1985	5.254554996287083
1986	5.196221660359887
1987	5.604580884003965
1988	6.035219754911279
1989	7.016130277943114
1990	7.053350234144568
1991	8.494240770535466
1992	8.842926925020878
1993	9.834217454863262
1994	9.888084916445399
1995	10.843968035062238
1996	10.385169271606278
1997	10.690717318378956
1998	11.01846917931019
1999	11.452064612800928
2000	12.997236311347853
2001	12.558379633910777
2002	14.264383924314739
2003	14.947913858173406
2004	17.859124963047883
2005	19.60524669483348
2006	21.26794142219655
2007	20.79969974890322
2008	24.097357260139106
2009	20.400519374356367
2010	22.40093324879449
2011	24.540411319563393
2012	24.53443066141076
2013	25.43086130052063
2014	22.967963008108764
2015	19.813189156409727
2016	19.15823491059039
2017	18.791764839297237
2018	19.927828598860593
2019	18.664264897252764
2020	18.682476929678387
2021	21.39915833055111
2022	23.20048783721241
2023	21.891643308629067