Year	% of GDP
1970	34.18858776612962
1971	38.470069140333116
1972	39.98572777747201
1973	46.78631843249096
1974	44.266793660520015
1975	31.131620297757724
1976	33.207918061421424
1977	41.90650735065534
1978	43.787794781677114
1979	48.79865966754549
1980	54.52945334590014
1981	46.9117173293799
1982	49.12543119644832
1983	38.26287154818718
1984	64.68262293269862
1985	67.46752471070235
1986	37.07032416298438
1987	50.32315394828797
1988	63.609090227522856
1989	55.08023525559905
1990	46.97050272034184
1991	47.77360998738489
1992	55.01437562092728
1993	41.586300612714716
1994	50.76377900227658
1995	46.81043289719929
1996	42.36017149583768
1997	69.49035461330372
1998	43.500997325044544
1999	49.09948923612703
2000	52.737346087596805
2001	47.58321730199643
2002	39.676063539093775
2003	38.03347094738717
2004	43.19213163825481
2005	45.78423154785403
2006	48.76050339356489
2007	46.24452847021088
2008	45.13888935907646
2009	43.59574742741978
2010	43.514587631724275
2011	48.61746021881396
2012	44.12806655389747
2013	39.95746176883188
2014	46.86965829040478
2015	54.370375589128486
2016	54.30067304747113
2017	56.913747593881105
2018	55.01958903570047
2019	56.9638885667604
2020	54.80245484576086
2021	55.55133799495775
2022	51.419622381755815
2023	46.18308579170286