Year	% of GDP
1960	12.379894948114616
1961	12.263909404234367
1962	11.960074508839138
1963	12.231557826754868
1964	12.910748357006572
1965	12.385177043259795
1966	12.989882404076013
1967	13.117426992015188
1968	13.389228422550495
1969	14.695726465300893
1970	15.437795350761348
1971	15.527276877425244
1972	15.847322780806072
1973	16.881250174099556
1974	21.72538305758282
1975	17.85853584086554
1976	20.26469854591874
1977	20.40240281349513
1978	19.19561924868623
1979	20.317671580321942
1980	22.520309006795493
1981	23.44108160043923
1982	23.85369008633268
1983	22.703501242098532
1984	23.706349094097845
1985	23.692174493756674
1986	20.504520032015872
1987	20.695387642044295
1988	21.025491372275635
1989	22.343627303005352
1990	21.760321808445006
1991	21.648797065141224
1992	20.661053260747508
1993	19.112544314559166
1994	20.165917005899818
1995	21.02320251700563
1996	21.273675081811692
1997	22.510301467306427
1998	23.380274814038952
1999	23.684385213693943
2000	27.266271469005844
2001	26.69347289039137
2002	25.54097450040275
2003	24.685864548595482
2004	25.45617155677255
2005	26.94765573459501
2006	28.168369359430045
2007	28.567499072814933
2008	29.277698029492367
2009	25.626903639805786
2010	28.079491241619635
2011	30.36923894598102
2012	30.49903198193799
2013	30.399317207863824
2014	30.81211202154654
2015	31.15907155645478
2016	30.85260519871503
2017	32.013214106306606
2018	32.724285386657506
2019	32.549417775836005
2020	29.45442120050116
2021	31.917319646795235
2022	38.56345288455272
2023	34.897684706218115