Year	% of GDP
1960	35.347413534539115
1961	34.07310224393598
1962	37.57419488349097
1963	38.44981142247077
1964	36.8320801767525
1965	32.41863984810321
1966	34.70785829431855
1967	33.65742844161745
1968	31.70570222626831
1969	30.89757127771911
1970	30.169734222749973
1971	28.16229492710269
1972	32.21093542386394
1973	31.877496299669815
1974	31.299142075987557
1975	30.172975683128605
1976	33.32691593285635
1977	37.006828324103445
1978	32.06422309279759
1979	30.186250107286927
1980	27.790761350741555
1981	27.873452012383904
1982	28.96660108928678
1983	29.86875598362654
1984	29.50989773942041
1985	28.60623182252836
1986	28.77757742622607
1987	27.17165386509785
1988	25.540204060079937
1989	25.963811903586826
1990	25.31413336037555
1991	24.320148172027523
1992	24.78128722381902
1993	26.808013408841074
1994	28.11535668120958
1995	26.349619562131167
1996	27.49252178058657
1997	27.693937399472684
1998	27.74491360097376
1999	28.744079613055785
2000	28.721780641290472
2001	27.849260111289613
2002	25.853967603945634
2003	25.8044393708329
2004	24.92904108750566
2005	24.236274700241925
2006	20.519687804940922
2007	20.586664460299094
2008	22.196340157982615
2009	16.254981466228603
2010	17.56775988636964
2011	18.894711224995277
2012	18.82972593294458
2013	18.61655158546215
2014	18.347839339355595
2015	19.469614778052783
2016	20.03451643283491
2017	20.893637406529177
2018	20.314910419967994
2019	20.861163811068607
2020	22.702726160445057
2021	21.47707509572517
2022	21.165716910252133
2023	21.301035009506712