Year	% of GDP
1960	24.821282044095007
1961	19.40002866179253
1962	17.296827472467385
1963	18.77625774700926
1964	20.747842580522004
1965	23.041361484558976
1966	24.711519611283535
1967	22.511145949071956
1968	23.2646009764598
1969	24.77456019994776
1970	25.953517316354674
1971	24.411947083392747
1972	25.47758542892822
1973	27.691003704204835
1974	29.554126225101353
1975	27.94814023246276
1976	30.12940204297815
1977	30.350250584933303
1978	28.73698352785306
1979	30.515589808147535
1980	30.68383761788054
1981	32.432426077885154
1982	31.13770970059731
1983	29.128780856245562
1984	27.883481542909756
1985	28.604266186829204
1986	24.96706224769095
1987	25.999392609152576
1988	25.799967189684615
1989	24.7953713744702
1990	24.870350383640012
1991	23.464846634761308
1992	23.214385833127064
1993	23.680607709505527
1994	24.7195275261048
1995	25.071741530270376
1996	25.709121054419732
1997	25.597068223851227
1998	25.666129868624115
1999	23.628416340235763
2000	24.46714488884054
2001	24.835905718107945
2002	26.40564666791204
2003	27.56555179875771
2004	29.632100562916403
2005	30.386978735463448
2006	32.137793358410065
2007	32.979719210940395
2008	34.013068483128855
2009	33.10633041605951
2010	34.49039974974358
2011	34.4697166398501
2012	34.197959020511824
2013	34.020572172798595
2014	33.88934126181892
2015	33.21098324297219
2016	32.616251432689374
2017	32.923370188973465
2018	33.71915118716244
2019	33.067117557818506
2020	33.54490603675308
2021	35.35904015993867
2022	35.21517958918409