Year	% of GDP
1961	11.259418729817009
1962	9.681352459016393
1963	9.133268482490273
1964	9.049460431654676
1965	9.900684931506849
1966	10.246449456975773
1967	9.79051987767584
1968	11.237311385459533
1969	11.200251098556183
1970	11.097246645268797
1971	12.855410051194136
1972	14.148813704521611
1973	15.193364653800423
1974	15.404962907138989
1975	12.615108524827766
1976	15.305975706280579
1977	16.774491303426387
1978	15.994424564983722
1979	18.616410404581966
1980	18.44833835714197
1981	20.668499131789456
1982	20.54659539405653
1983	21.740736800432554
1984	23.13247072575793
1985	24.89685228296957
1986	24.241204788533157
1987	25.521243713074885
1988	25.343719322620608
1989	29.497032097992467
1990	31.376439889951996
1991	33.9140393123078
1992	33.18922160575491
1993	34.03130591497957
1994	32.68519112019359
1995	32.591077623220684
1996	31.82704397646652
1997	28.58249963439476
1998	26.673153445781114
1999	25.361504869203905
2000	29.062780211543373
2001	26.945853756332077
2002	33.89953530330261
2003	35.03126978257118
2004	38.96524995564023
2005	44.89592069083174
2006	49.81360120236496
2007	50.37181171809292
2008	52.521475959444764
2009	51.65944505760705
2010	50.02139687187988
2011	47.596150455676316
2012	47.750355199033095
2013	47.95503037809267
2014	48.685443070415204
2015	50.753983273591366
2016	53.74058950318801
2017	54.34331114508603
2018	54.41690181815701
2019	55.41869811027468
2020	61.504172971966284
2021	65.14329494771447
2022	61.160862785372956
2023	58.05783751379024